Once viewed as grubby gambling dens , prediction markets have sharpened up .

预测的市场曾经被认为是肮脏的赌博窝点，现在它已经锋芒毕露了。

Uncover trojan dens to hide the registry 7 .

揪出木马程序藏身注册表的7个窝点。

The sun rises , and they steal away ; they return and lie down in their dens .

太阳升起的时候，它们各自逃避，回到自己的洞穴，安然卧下休息。

They sleep the winter away in their dens , living off their body fat .

他们冬季在洞穴里安眠，靠它们体内的脂肪存活。

While they crouch in their dens , or lie in wait in the thicket ?

当狮子伏于洞穴，卧于丛林埋伏的时候