例句：
Eggs are graded from small to extra large.
鸡蛋从小号到特大号分成不同等级。
The fish lay thousands of eggs at one time.
这种鱼一次产卵数千个。
The female must find a warm place to hatch her eggs.
母的.必须找个温暖的地方孵蛋。
They were left with egg on their faces when only ten people showed up.
只有十人到场，他们感到很丢面子。
Immediately after fertilization, the cells of the egg divide.
卵受精后细胞立即开始分裂。