| 单词 | deciduous |
| 释义 | deciduous —deciduously, adv. —deciduousness, n. /di sij"ooh euhs/, adj. 1. shedding the leaves annually, as certain trees and shrubs. 2. falling off or shed at a particular season, stage of growth, etc., as leaves, horns, or teeth. 3. not permanent; transitory. [1650-60; < L deciduus tending to fall, falling, equiv. to decid(ere) to fall off, down (de- DE- + -cidere, comb. form of cadere to fall) + -uus deverbal adj. suffix; see -OUS] |
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