英:[dɪˈkeɪ]
美:[dɪˈkeɪ]
英:[dɪˈkeɪ]
美:[dɪˈkeɪ]
de·cay
dih keI
复数:decays
第三人称单数:decays
现在分词:decaying
过去式:decayed
过去分词:decayed
decayable (adj.)
词根:decay
adj.decayed 腐烂的;腐败的;衰退的
v.decayed 腐烂;衰退(decay的过去分词)
verb
intransitive verb
to undergo decomposition Her teeth were decaying. … most isotopes of copper decay quickly, but two are stable: Cu-63 and Cu-65.—David E. Thomas
decaying fruit
to decline in health, strength, or vigor believes that the moral fiber of our society is decaying
Her mind is beginning to decay with age.
to fall into ruin
the city's decaying neighborhoods
to decline from a sound or prosperous condition
a decaying empire
to decrease usually gradually in size, quantity, activity, or force
The three voices … decayed and died out upon her ear.—Thomas Hardy
transitive verb
to destroy by decomposition
wood decayed by bacteria
obsolete to cause to decay : impair
Infirmity, that decays the wise …—William Shakespeare
noun
rotspecifically: aerobic decomposition of proteins chiefly by bacteria
The material is … resistant to fire, decay and termites …—Jack McClintock
the product of decay
tooth decay
gradual decline in strength, soundness, or prosperity or in degree of excellence or perfection
the decay of the public school system
a decline in health or vigor
mental decay
a wasting or wearing away : ruin
a neighborhood that had fallen into decay
decrease in quantity, activity, or force: such as
chemistry spontaneous decrease in the number of radioactive atoms in radioactive material
physics spontaneous disintegration (as of an atom or a particle)
obsolete destruction, death
… sullen presage of your own decay.—Shakespeare
tooth decay蛀牙;龋齿;齵齿
decay rate衰减率;衰变率;衰变速度
radioactive decay[物]放射性衰变
exponential decay指数式衰减
decay time[物]衰减时间
in decay已腐朽,已腐烂
decay resistance耐腐性,耐腐蚀性能
decay curve衰变曲线;衰减曲线;退化曲线;余辉曲线
fall into decay损坏,腐烂;衰败
这组词都有“烂、腐烂”的意思,其区别是:
rot指蔬菜水果或肉类的分解、腐烂。
decompose侧重指动物或植物类物体由于内部组织的分解而导致的腐烂过程。
decay通常指由良好或完美的状态自然而缓慢地变坏或完全变坏腐烂,或部分地毁坏。
以上来源于网络
15世纪晚期,“减少”,也指“衰退,恶化,失去力量或优秀品质”,源自盎格鲁-法语 decair,古北法语 decair(古法语 decheoir,12世纪,现代法语 déchoir)“落下,落日,减弱,衰退,腐烂”,源自通俗拉丁语 *decadere “脱落”,由 de “离开”(见 de-)和拉丁语 cadere “落下”(源自 PIE 词根 *kad- “落下”)组成。
“使恶化,使变得不健全或受损”的及物意义始于1530年代。 “分解,腐烂”的意义始于1570年代。相关词汇: Decayed; decaying。
腐化,腐烂:死亡的有机物逐渐分解
衰变,蜕变:衰退的过程或时期,如衰老化
衰变
在原子核物理中又称“蜕变(disintegra-tion)”。
衰变
Verb and Noun Middle English, from Anglo-French decaïr, from Late Latin decadere to fall, sink, from Latin de- + cadere to fall — more at chance
The first known use of decay was in the 15th century
deceitfuladjective
practicing or tending to practice trickery
showing or containing deceit or fraud : deceptive
a deceitful answer
deceitfuladjective
practicing or tending to practice trickery
showing or containing deceit or fraud : deceptive
a deceitful answer
deceitfuladjective
practicing or tending to practice trickery
showing or containing deceit or fraud : deceptive
a deceitful answer
deceitnoun
the act or practice of deceiving : deception
an attempt or scheme to deceive : trick
the quality of being deceitful
decedentnoun
a deceased person—used chiefly in law
deceased1 of 2noun
a dead person
the will of the deceased
deceased2 of 2adjective
no longer living
his deceased grandparents
deceasenoun
death sense 1
decay1 of 2verb
to lose soundness, health, strength, or vigor
to go through or cause to go through decomposition apples that decayed in storage
a radioactive element decays
decay2 of 2noun
gradual loss of strength, soundness, health, or vigor
rot entry 2 sense 1
a natural decrease in the number of radioactive atoms in radioactive material
decay1 of 2verb
to lose soundness, health, strength, or vigor
to go through or cause to go through decomposition apples that decayed in storage
a radioactive element decays
decay2 of 2noun
gradual loss of strength, soundness, health, or vigor
rot entry 2 sense 1
a natural decrease in the number of radioactive atoms in radioactive material
decay1 of 2verb
to lose soundness, health, strength, or vigor
to go through or cause to go through decomposition apples that decayed in storage
a radioactive element decays
decay2 of 2noun
gradual loss of strength, soundness, health, or vigor
rot entry 2 sense 1
a natural decrease in the number of radioactive atoms in radioactive material
decay1 of 2intransitive verb
to undergo decomposition
decay2 of 2noun
rot sense 1specifically: aerobic decomposition of proteins chiefly by bacteria
the product of decay
spontaneous decrease in the number of radioactive atoms in radioactive material
spontaneous disintegration (as of an atom or a nuclear particle)
1 The whole place carries the smell of unwashed bodies and tobacco smoke with a faint air of decay.
2 The simulation result shows that the resistance ability to decay of FMT system is improved efficiently.
仿真结果表明,该算法提高了FMT系统 的抗衰落性能.
3 Steam rose off the hot pools, fragrant with the smell of moss and mud and decay.
4 We half burrowed in the soggy leaves, the smell of decay and rebirth clouding around us.
5 She turned back and regarded the decaying shell of the house for a moment.
6 There was a hand protruding from the cloak and it was glistening, grayish, slimy-looking, and scabbed, like something dead that had decayed in water....
7 And I love Havana, its noise and decay and painted ladyness.
8 the decay of dead plants and leaves
9 When the plants died and decayed, they formed layers of organic materials.
当这些植物死亡腐烂时, 它们就形成一层层有机物.
10 Stunned, I lay upon the decaying earth, fingers clutching rotting leaves, a cold rain drenching me.
11 Far from being in an advanced stage of decay, the Old Finch House was in an excellent state of repair: it was a hunting club.
12 Oh, I'd serve them well and I'd make invisibility felt if not seen, and they'd learn that it could be as polluting as a decaying body, or a piece of bad meat in a stew.
13 the smell of decaying rubbish
14 The country has decayed over the last twenty years.
这个国家已经衰落超过二十年了.
15 However, one can increase one’s chances of detecting a decay by observing a large amount of matter containing a very large number of protons.
16 The hobbits crept inside, and sat there upon a floor of old leaves and decayed wood.
17 The young man waved back and sang out with a smile, “My gorge fills with hate for you, you ancient, decayed sack of manure!”
18 The Trask house had never been gay, but lived in only by Charles it took on a gloomy, rustling decay.
19 The decay of our civilization,..a break-down of social structures and..a drying-up of the emotional springs of life.
20 To begin with, it was discovered that one of the basic components of Libby’s formula, known as the decay constant, was off by about 3 percent.
1 衰退
failure recession sag atrophy degeneracy declension involution retrogression fail flag rust ebb dwindle retrogress failing rusty degenerate sagging decline weakness downturn slowdown degeneration weakening fade weaken lapse falter degenerative retrograde labefaction depression slump wane moulder go disintegrate wither droop at a low ebb dip crumble faltering skid shake-out falling recessive atrophic fall breakdown decadence collapse declining impotent obsolescent netherward downward downwards lag regression obsolescence declination downbeat turndown retrogradation erode languish molder reduce depress damp off rudimentary degraded lapsed down contabescence letdown fall-off dropoff regradation break slip dwine ebb tide
2 毁灭
lost ruinous blasted death loss consumption ruin destruction doom demolition bale devastation wreckage damnation wrack undoing kill perish lose murder blast dash crush undo swamp shatter butcher demolish overthrow smite extinguish beggar shipwreck subvert annihilate prostrate scuttle bake bread lay an ax to the root bring to his knees go to ruin cut to pieces all to pot go to the spout
3 堕落
vicious fallen decadent immoral degenerate outcast abject depraved ignoble reprobate benighted rakish corruptive fall vice ruin corruption degradation degeneracy perversity sink lapse stoop grovel backslide retrogress corrupt degrade taint demoralize debauch go bad
4 使腐坏
5 腐烂物
6 腐败
abuse corruption rot ulcer spoilage cesspit malversation spoil decompose ulcerate corrupt rotten sinister depraved putrid addle putrescent gamy putrefactive contagion declension putrefaction rancidity sour perish fester putrefy poison venal bad foul abusive reached ulcerous pollution deformity decomposition depravity leprosy carrion declination gangrene staleness vitiation pravity taint stagnate sodden degrade deprave vitiate dry-rot attaint begrime empoison putrefacient rank septic tainted flyblown rottenness putrescence putridity molder
7 退化
obsolete degenerate retrograde regressive vestigial obsolescent retrogressive regression degradation deterioration atrophy devolution degeneracy retrogression catagenesis degrade deteriorate abort regress retrogress
8 腐化
12 衰减
damping roll-off decayed interference wane evaporate run down reduction extinction drop-off attenuation extenuation damp weaken attenuate decrement degrade
13 蛀蚀
14 腐
15 衰弱
rundown feeble effete niminy-piminy asthenic asthenia weakness breakdown debility marasmus pine prostrate debilitate emaciate enfeeble devitalize waste flag sink fade wither droop fade away take it out of broken broken-down frailty decline weaken crumble lapse ebb falter wear down debile donsie delicate gone wasted helpless infirm bedridden seely doddery doddered astheny labefaction hyposthenia relaxation breakup wilt sinking attenuation fading declination prostration decrepitude lose wear collapse lag faint languor crock distress wreck extenuate unstring depauperate come apart at the seams bring low
17 使腐朽
19 衰落
sick declining decadent waning effete downfall decadence decline sag wane wither sunset slide fade falter come down in the world come up in the world go down in the world go up in the world on the wane downward down eclipse slump downturn downswing comedown set sink dwindle
20 失败
lost unsuccessful losing fail failure breakdown abortion stumble bust frost beating overthrow defection washout flivver lose miss founder bomb misfire boomerang miscarry flunk disappoint lose ground miss out on thumbs down no go push to the wall get the worst of bring to naught miss the mark die on feet come to naught fall flat on face miss tip bring to grief miss a figure drop through break the molasses jug not get anywhere put the skid under
21 腐蚀
corrosion erosion corrupt erode corrode cauterant fretted caustically corrosively bite rot cauterization eat rust canker cauterize bite in
22 腐烂
rotten putrid putrescent corruption rot putrefaction perish decompose moulder putrefy fester unsound decayed decomposition rottenness corrupt septic bad carrion taint canker corrode ret foul dozy blet pravity sphacelate gangrene rank carious perishing erosion spoil molder ichorous putrefacient rotted gangrenous putrescence putridity putridness damp septicize rot away
23 衰败
rundown bad ruin decline give ground go to the dogs run-down effete downfall wane go to seed run to seed go to pot downfallen downgrade consenescence slump letdown dilapidate
26 减少
fallen reductive loss modification contraction drop-off diminution decrement dockage falloff minus fall decrease diminish wane Peter dwindle abate reduce qualify shorten slash alleviate rebate lessen curtail deflate pare allay retrench extenuate bate take from pare down dull the edge of down cut attenuate subtractive dip lapse rundown shrinkage abatement drawdown letdown knockdown step-down letup take decline sink descend deduct recede fritter minish break relax shrink alloy impair dampen whack scant gear down bring low cut down on
27 衰微
decline decadence declination declension sink degenerate degrade lose ground go down the hill retrogression wane declining labefaction wither decayed
29 枯
30 腐坏
32 破灭
evil disappointed deathly damning blasted baleful lorn deathful damnatory end death defeat collapse grave smash cracker wreckage bane damnation sepulcher ballyhack shatter blight deflate dig the grave of
34 死
cold dead mortal lifeless mortuary deathly bung perishing ob. last end night death die sleep grave accent fate ending curtain tomb expiry utterance nothingness consummation gruel finis mort lights-out deadness kiss-off quietus go pass cool kick exit quit expire depart bleed perish pike crater succumb pip croak evanish one's last sleep quit the scene feet foremost toes up shut lights lose the number of mess cross the Great Divide flack out join the choir invisible go to Maker sleep with fathers go to account go the way of all flesh go glimmering salted down strike bedrock go home in a box pass in chips pop off the hooks kick up heels go home feet first go to glory go bung pass in marble go home pass in in the dust quit it
38 朽