burrow的解释
n. (兔子等)所掘的地洞
v. 挖洞
vi. 翻寻,挖洞
vt. 挖掘(洞穴),钻进
burrow的例句
She burrowed her head into my shoulder.
她把头紧靠在我的肩膀上。

It's said that a rabbit usually will have more than one burrows.
据说兔子有不止一个洞穴。