英:[kə'dju:kəs]
美:[kə'djukəs]
英:[kə'dju:kəs]
美:[kə'djukəs]
Adjective
1. shed at an early stage of development;
"most amphibians have caducous gills"
"the caducous calyx of a poppy"
"有倾向于萎缩或腐烂的",1797年,用于植物学,源自拉丁语 caducus "落下的,已落下的,短暂的",来自 cadere "落下,衰落,消亡"(来自 PIE 词根 *kad- "落下")。相关词汇: Caducity。
脱落的:同deciduous
Latin cadūcus "on the verge of collapsing, ready to fall (of fruit), transitory" (from cadere "to fall" + -ūcus "performing the action [of the verb specified]") + -ous — more at chance >entry 1
The first known use of caducous was in 1775
1 2. Leaf: oval shape, with caducous awns at the tip.
叶:椭圆形,先端具一早落性之芒尖。
2 VTE is common and usually thrombose in venous system with the action of certain incentives, or followed with PE caused by the caducous blood clots.
VTE是外科临床常见病,通常是在一定的诱因作用下,在静脉系统内形成血栓,或并发静脉血栓脱落引起的肺动脉栓塞。
3 They invariably come laden with words that seem meant to prove his vocabulary is bigger than yours: flocculent, crapulent, caducous, anaglypta, mephitic, velutinous.
4 Sepals.—Three; strongly arched, covered with bristly appressed hairs; caducous.
5 Botanical Description.—A slender, twining plant with leaves 3′ by 1′, opposite, oval, acute, entire, long petioles and caducous stipules.
6 The first and the second glumes are unequal, persistent or separately caducous.
7 Furthermore, the horns—or rather antlers—of the deer are caducous, shedding annually; while those of the antelopes are persistent, remaining throughout the life-time of the animal—as with goats, sheep, and oxen.
8 He is exceedingly well formed and graceful; his horns are not so large as those of the stag, but, like his, they are annually caducous, falling off in the winter and returning in the spring.
9 Leaves alternate, compound, digitate, caducous; leaflets 5–7 with long common petiole.
10 Among this fossil wood Heer made out the cypress, the silver pine, the poplar, the birch, and some dicotyledons with caducous leaves.
11 They are annually caducous, however, as with the common deer, so that these immense appendages are the growth of a few weeks!
12 Flowers yellow, in racemes, with caducous bracts and bractlets.
13 Botanical Description.—A tree, 4–6 meters high, with drooping limbs; leaves long, very narrow, abruptly pinnate; many caducous leaflets, linear, elliptical.
14 Calyx, 5 rounded sepals, tuberculate at the base, imbricated, caducous.
15 Most amphibians have caducous gills.
大多数两栖类动物都有早落腮.
1 短暂的
short brief temporary fleet flying passing mushroom transient brittle fugitive fleeting momentary frail episodic nonce impermanent fly-by-night evanescent fugacious fungous written in water short-lived deciduous ephemeral bite-sized transitory in-and-out
2 早期凋落性
3 降低
depression debasement falling-off degression fall tumble recede reduce lower sink depress abate muffle debase abase
5 短命的
6 减少
reduced reductive away fall cut decrease reduction slash drop-off shrinkage attrition abatement drawdown cutback letdown diminution decrement lessening letup wind-down reduce lower shrink diminish shorten detract abate lose save discount dock lessen whittle attenuate bate attrite subtract from thin down drop away cut into cut down on make a dent in pare down
7 短暂
short brief temporary fleet flying passing mushroom transient brittle fugitive fleeting momentary frail episodic nonce impermanent fly-by-night evanescent fugacious fungous briefly momentarily momently brevity impermanence transience caducity written in water short-lived deciduous ephemeral bite-sized transitory in-and-out passingly evanescence transiency briefness