deciduous

形容词 deciduous:

1. (of plants and shrubs) shedding foliage at the end of the growing season
2. (of teeth, antlers, etc.) being shed at the end of a period of growth

de.cid.u.ous

adj.（形容词）
Falling off or shed at a specific season or stage of growth:
脱落的：在特定季节或成长期脱落的：
例句：
deciduous antlers; deciduous leaves; deciduous teeth.
脱落的鹿角；落叶；脱落的牙齿

Shedding or losing foliage at the end of the growing season:
落叶的：在生长期结束时落叶的：
例句：
deciduous trees.
落叶树

Not lasting; ephemeral.
暂时的：非永久的；短暂的

来源：
From Latin dôciduus
源自 拉丁语 dôciduus
from dôcidere [to fall off]
源自 dôcidere [脱落]
dô- [de-]
dô- [前缀，表.去除，移开.]
cadere [to fall] * see kad-
cadere [落] *参见 kad-

【引伸】
decid.uously
adv.（副词）
decid.uousness
n.（名词）