cleav.age
n.(名词)The act of splitting or cleaving.劈开:劈开或撕裂的动作The state of being split or cleft; a fissure or division.分裂,裂缝:劈开或裂开的状态;裂缝或分裂Mineralogy The splitting or tendency to split of a crystallized substance along definite crystalline planes, yielding smooth surfaces.【矿物学】 解理,裂纹:结晶物质沿一定结晶面产生光滑面的分裂或分裂倾向Embryology 【胚胎学】 The series of mitotic cell divisions that produces a blastula from a fertilized ovum. It is the basis of the multicellularity of complex organisms.Also called segmentation 卵裂,卵割:由一组有丝分裂细胞从受精卵中生成的囊胚,是复杂有机体中多细胞的主要成分也作 segmentationAny single cell division in such a series.细胞分裂:这种一组分裂中的任何一次简单细胞分裂Informal The hollow between a woman`s breasts, especially as revealed by a low neckline.【非正式用语】 乳沟,胸槽:妇女两乳间的凹陷,尤指低领口展露的部分