英:[ˈenvələʊp]
美:[ˈenvəloʊp]
英:[ˈenvələʊp]
美:[ˈenvəloʊp]
en·ve·lope
an v lop [or] en v lop
复数:envelopes
词根:envelop
n.envelop 信封;包裹
enveloped 折叠条
enveloping 包络
envelopment 包;包封,封套;封皮
v.enveloped 包围(envelop的过去分词)
enveloping 包封;遮盖(envelop的ing形式)
vt.envelop 包围;包封;遮盖
noun
a flat usually paper container (as for a letter)
something that envelops : wrapper
the envelope of air around the earth
the outer covering of an aerostat
the bag containing the gas in a balloon or airship
a natural enclosing covering (such as a membrane, shell, or integument)
a lipoprotein unit membrane that forms the outer layer of some virions
a curve tangent to each of a family of curves
a surface tangent to each of a family of surfaces
a set of performance limits (as of an aircraft) that may not be safely exceededalso: the set of operating parameters that exists within these limits
a conventionally accepted limit
new computers that push the envelope
flight envelope飞行包线
nuclear envelope核膜;核被膜
envelope curve包络曲线;包迹
failure envelope断裂点轨迹;破坏包络线
push the envelope挑战极限;接近甚至超越安全限度;越过底线
glass envelope玻璃封装;玻壳
"一种包装材料,一种封套," 特指用于信件或其他纸张的准备好的封套,起源于1705年,源自法语 enveloppe(13世纪),是从 envelopper "包裹"(参见 envelop)中反推出来的。
包膜:包封结构或膜,病毒学中为围绕壳体的外衣,通常至少部分是由宿主细胞构成的。在细菌学中则兼指细胞壁与质膜
发育膜
囊膜
被膜
外膜
包膜
又称 :包膜(peplos )
包络线
[curve]
包络
The first known use of envelope was circa 1714
envelopverb
to surround and enclose completely with or as if with a covering
envelopverb
to surround and enclose completely with or as if with a covering
envelopverb
to surround and enclose completely with or as if with a covering
envelopverb
to surround and enclose completely with or as if with a covering
envelopverb
to surround and enclose completely with or as if with a covering
envelopenoun
a flat usually paper container (as for a letter)
something that envelops
the bag containing the gas in a balloon or airship
a natural enclosing covering (as a membrane)
envelopenoun
a natural enclosing covering (as a membrane or integument)especially: a lipoprotein unit membrane that forms the outer layer of some virions and surrounds the viral capsid
These glycoprotein complexes, swept up by the budding virus as it acquires its envelope, are crucial to HIV's ability to infect new cells. —William A. Haseltine et al., Scientific American
1 “Give me a envelope, some paper and a pencil,” he said.
2 Truthfully, I had been expecting envelopes, or at the very least lined notebook paper.
3 I took one final glance at the letter, then carefully folded it back into its envelope and put it in the cargo pocket of my camouflage battle dress uniform.
4 On the counter lay a large manila envelope, thick with papers.
5 Make sure you've signed the cheque before sealing the envelope.
一定要在支票上签了名再封信封。
6 I left the scissors there and pretended I hadn’t seen the envelope.
7 Unclasping the sealed envelope, Charles found two silhouette cards.
8 Thinking of her letters made me feel like there was something winding up inside me, and that pink envelope wound it one notch tighter.
9 A lick of the envelope, a stamp, and tossed in a pile of a hundred others.
10 The envelope contained the cash equivalent of $750 in Swedish krona.
11 Clarence the security guard marched into the reading room and, folding his arms over his chest, took up a position near the three envelopes.
12 He went to his room and brought back a squat bottle of ink and a stub pen and a pad of paper and an envelope and laid them on the table.
13 I watched her reach into the bosom of her taffeta hostess gown and remove a white envelope.
14 I sniffed the envelope to see if I could smell his aftershave, but I couldn’t.
15 It’s the envelope I stole from Daddy’s drawer.
16 I slide the envelope with my apology under my arm to hide it and walk to the front of the room.
17 Mrs. Granger pulled a fat white envelope from her desk drawer and held it up.
18 The minister had an envelope full; but when he produced them, ostensibly for distribution among the jurors, an exasperated Logan Green leaped to his feet: “If Your Honor please, this is going too far.. .”
19 A glass envelope is used to contain a gas at about 1 / 1000 atmospheric pressure.
玻璃外壳中的气体压强约为1/1000大气压.
20 Coffee is even more interesting, for when the hot black fluid has ceased, a squirt of milk comes down and an envelope of sugar drops beside the cup.
2 范围
scouth area line country range size field reach limit land measure ground region length zone domain stretch circle circuit extent danger scope universe dimension territory province kingdom span spectrum gauge sweep horizon realm terrain sphere radius bound confine incidence compass fetch hemisphere latitude zodiac verge orb precinct tether purview ambit demesne circumscription in
5 信封
8 包被
9 外膜
10 彗发
11 外皮
cortical tegumentary coat mantle cortex cuticle husk rind epidermis shuck integument theca tegmen periderm tegument upper crust scarfskin
12 外壳
case skin housing shell Peel crust hull husk cowl crustal package jacket cage sheath hulk cowling sheathing incrustation
15 包纸
16 外表
external device outside aspect appearance exterior likeness guise seeming semblance superficies
17 匆忙
snap frantic hasty rushed pell-mell rush scramble haste hurry hotfoot be in a hurry on the run on the fly
18 膜
19 包裹物
22 壳层
24 气囊
pneumatocyst bladder sac gasbag ballonet air bladder air cell air sac air chamber wing pneumatophore air bag float cell aerostat vesica airsac windbag gas bag
27 匆忙地