名词
中文翻译：孵化孔
同义词：
['eggshell', 'eggcase例句：1. The bird hatched from its shell and flew away.（这只鸟从蛋壳里孵化出来并飞走了。）']
例句：
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1. The bird hatched from its shell and flew away.
这只鸟从蛋壳里孵化出来并飞走了。
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2.The hatching of the eggs is a natural process in many species.
许多物种的卵孵化是一个自然过程。
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3. The hatching of the eggs is a natural process in many species.
许多物种的卵孵化是一个自然过程。