cleavage

cleavage
noun
  1. a sharp division; a split
    劈开;分裂
    a system dominated by the class cleavage.
    由阶级分裂主导的制度。
    ■the hollow between a woman's breasts when supported, especially as exposed by a low-cut garment
    (尤指妇女穿低胸衣物露出的)乳沟
    ■[mass noun](Biology)cell division, especially of a fertilized egg cell
    (生)细胞分裂(尤指受精卵细胞分裂),卵裂
    ■[mass noun]the splitting of rocks or crystals in a preferred plane or direction
    (岩石、晶体的)解理,劈理
英语宝典
考试词汇表