巢穴

cháo xué

lair, nest, den, hideout

巢里有四个鸡蛋

cháo lǐ yǒu sì gè jī dàn

There are four eggs in the nest

鸟巢里有一只小鸟

niǎo cháo lǐ yǒu yī zhī xiǎo niǎo

There is a little bird in the nest