巢穴的英文：
lair

参考例句：

A den or hideaway.
巢穴或藏身之处

A commensal organism, especially an insect that lives in the nest or burrow of another species.
寄生体，客虫一种同栖生物体，尤指生活在另一昆虫巢穴中的昆虫。

The den or dwelling of a wild animal.
兽窝野生动物的巢穴或居住地

The tiger retired to its den
那只虎退回巢穴。

They traced the fox to its den.
他们追踪狐狸直抵巢穴。

The spirit of the book is our lair, the source of life.
书是我们精神的巢穴，生命的源泉。

A wounded wolf lay recovering in his lair.
受伤的狼躺在自己的巢穴里养伤。

The dog traced the fox to its den.
那只狗跟踪到狐狸的巢穴。

The hunter traced a fox to its den.
猎人追踪狐狸到它的巢穴。

Children all grew up and flew away, only left the empty nest behind.
孩子们都长大飞走了,只留下一个空洞的巢穴.

lair是什么意思：
n. 巢穴，躲藏处
v. 进入兽穴；在穴中休息；放于穴中

The spirit of the book is our lair, the source of life.
书是我们精神的巢穴，生命的源泉。

A wounded wolf lay recovering in his lair.
受伤的狼躺在自己的巢穴里养伤。

It was said that the bear had laired among the rocks at the top of the valley.
据说那只熊已住进山顶岩石的窝中。

The Greek fire-dragon the Chimaera was slain at her lair but – being immortal – her blazing breath lived on.
希腊神话中的火龙奇美拉被杀死在它的巢穴之中，但是怨恨的气息却得到了永生。

My favorite sci-fi special effect is from Avatar: the climb to the sky dragons' lair and the bonding with a dragon.
《阿凡达》中，他们爬上天龙的巢穴，与天龙结合那一幕是我大爱的科幻电影的特效。