With the salmon run over, they are retreating to their winter dens, up in the mountains.

随着鲑鱼洄游结束，它们撤离到山上准备过冬窝里。

How to find dens that may be hidden underground?

还有藏下巢穴，这种巢穴又怎么找？

Meet me on Thursday at three o'clock in the Tuileries Gar dens.

星期四下午3点到杜伊勒利花园来见我。

Bears then enter a hibernation period and go into dens at Katmai.

然后熊进入冬眠期，进入卡特迈洞穴。

Many live in Lamu, a town with a large number of drug dens.

许多人住拉穆，这是一个藏有大量毒品窝点城镇。

Bears 'hibernate' in their dens during the winter months in most areas of the world.

上大多数区，冬天几个月里熊都洞穴里“冬眠”。

But when they emerge from their dens in the spring, they can weigh over 30 pounds!

但当它们春天从巢穴里出来时候，它们可以超过30磅！

But ordinary drinking dens are becoming a little drier, too, out of business sense rather than temperance principle.

但是，普通酒吧也开始迎合戒酒风尚了，它们是出于商业目，而不是因为节制原则。

Meet me on Thursday at three o'clock in the Tuileries Gar dens. Don't be angry with me, Raoul, please.

星期四下午3点到杜伊勒利花园来见我。请不要生我气，拉乌尔。

All across these mountains, grizzly bears make their winter dens 10,000 feet up in the deep snow of leeward slopes.

这些山脉中灰熊将巢筑背风坡厚厚积雪之下。海拔高达三千米。

As soon as they leave their dens, their mothers begin teaching them how to find food.

他们一离开窝点，他们母亲就开始教他们如何寻找食物。

In most bear dens, that job isn't actually too difficult or scary.

大多数熊窝里，这项工作实际上并不太困难或太可怕。

Foxes are monogamous and live in  labyrinthine dens and tunnels, which can be up to 1000 square meters.

狐狸是一夫一妻制，生活迷宫般洞穴和隧道中，这些洞穴和隧道面积可达 1000 平方米。

During the Oligocene and Miocene Epochs, it made huge, spiraled dens in the earth.

渐新和中新时期，它球上形成了巨大螺旋状洞穴。

Foxes had dens in the hills and deer roamed everywhere.

狐狸山上有巢穴，鹿到处出没。

They have burrows underground, nests in hollow trees, or dens in caves.

它们下打洞，空心树上筑巢，或者山洞里筑巢。

Soon opium dens spread to large cities such as London and San Francisco.

很快，鸦片烟馆蔓延到伦敦和旧金山等大城市。

Foxes, hiding in their dens, listened to the sweet and dreamy sound of the horn blown at the coming of light.

他们穴里躲着狐狸们，倾听着这黎明时分吹起梦幻般甜美小号声。

The bears would be hidden away in their dens where they slept soundly all winter long.

熊会躲它们巢穴中，整个冬天它们都那里睡得很香。

The dens are small, like a cavity in some rock or under a tree, Wes says.

韦斯说，这些巢穴很小，就像岩石上或树下洞一样。