含有音标〔ew〕的单词有哪些

发布网友发布时间：2022-04-23 03:21

共1个回答

热心网友时间：2023-09-15 23:05

The egg's cortical reaction serves as a barrier to the entry of more than one sperm. Initially, there is a temporary change in the egg's electrical state, and the egg cell is activated. The final stage of the reaction, the rapid elevation of the fertilization membrane, prevents further sperm penetration.
卵皮层阻止其他的精子进入，充当壁垒作用。开始时，卵电位发生暂时变化，卵细胞被激活。反应最后阶段，受精卵的膜快速隆起，阻止更多精子进入。

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