船员们从舱口爬下去检查货舱。
The sailors descended through the ___hatch to inspect the cargo hold.
小鸡们花了21天才从蛋里孵化出来。
The chicks took 21 days to ___hatch from their eggs.
小鸡从蛋里孵出来需要21天。
Chickens take 21 days to ___hatch from their eggs.
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