den

名词 den:

1. the habitation of wild animals
   同义词：lair
2. a hiding place; usually a remote place used by outlaws
   同义词：hideout, hideaway
3. a unit of 8 to 10 cub scouts
4. a room that is comfortable and secluded

1. The bears den up together during the winter.
   冬天熊一起在洞穴里冬眠。
2. The police tracked the thieves to their den.
   警察跟踪小偷，直到他们的老窝。
3. The lion lay asleep in its den.
   狮子躺在洞里睡觉。

den

n.（名词）
The shelter or retreat of a wild animal; a lair.
兽穴：野生动物躲避或撤退的地方；兽穴
A cave or hollow used as a refuge or hiding place.
洞穴：一个用于避难或藏身的洞穴或空洞
A hidden or squalid dwelling place:
贼窝：一个隐蔽的或肮脏的住所：
例句：
a den of thieves.
贼窝

A secluded room for study or relaxation.
书斋：一个用于学习或放松的僻静房间
A unit of about eight to ten Cub Scouts.
幼年童子军小队：一种由大约八到十名幼年童子军组成的小组
v.intr.（不及物动词）
denned,den.ning,dens
To inhabit or hide in a den.
穴居：居住或藏在洞穴里

来源：
Middle English
中古英语
from Old English denn
源自 古英语 denn