“巢穴”的英语？

两只小鸟一出壳就离开了巢穴。As soon as the two chicks hatch, they leave the nest burrow.他发现自己在流氓的巢穴中.He finds himself in a den of ruffians.他们把潜艇困在巢穴里,使其无法出击.They bottled up the submarines in their nest....

“巢穴”的拼音为：cháo xué; cháo xuè...