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词汇	cotyledon
释义	cot·y·le·don AHD[kŏt'l-ēdʹn] D.J.[ˌkɒtlˈiːdn]K.K.[ˌkɑtļˈidņ]n.（名词）cotyledonbean seed germinating Botany A leaf of the embryo of a seed plant, which, upon germination either remains in the seed or emerges, enlarges, and becomes green. Also called seed leaf 【植物学】 子叶：种子植物胚的叶片，在萌芽过程中，它或者保持在种子里或者出来，变大并变绿 也作 seed leaf Anatomy One of the lobules constituting the uterine side of the mammalian placenta, consisting mainly of a rounded mass of villi.【解剖学】 绒毛叶：组成哺乳动物胎盘的子宫边的小叶之一，主要由团装绒毛组成 Etymology语源 Latin [navelwort] 拉丁语 [脐景天] from Greek kotulēdōn 源自 希腊语 kotulēdōn from kotulē [hollow object] 源自 kotulē [空心物体] Related Forms继承用法cot'yleʹdonal 或 cot'yleʹdonous AHD[-ēdʹn-əs] （形容词）
随便看	curtal curtal ax curtals curtate curter curtesies curtesies initiate curtest curtesy curtesy initiate curtilage curtilages Curtin Curtis Curtis Institute of Music Curtiss curtle ax curtsey curtseyed curtseying curtseys curtsied curtsies curtsy curtsying

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