from 1540s, in various sense, from Latin cotyledon "pennywort, navelwort," from Greek kotyledon "cup-shaped cavity," from kotyle "hollow thing, small vessel," also the name of a small liquid measure (nearly a half-pint); which is of uncertain origin. Botanical sense is 1776, from Linnaeus (1751).
雙語(yǔ)例句
1. Fructification includes peel, seed coat, cotyledon and embryo 4 parts.
果實(shí)包括果皮.種皮.子葉和胚四部分.
來(lái)自互聯(lián)網(wǎng)
2. Its cotyledon node zone is telome elongation type.