In all, the study included 41 archaeological sites on five continents. The researchers found that, as humans migrated out of Africa, they left a trail of dead elephants and mammoths in their wake.

他们对5大洲41处考古地点进行研究，结果发现，人类走出非洲的途中，身后一路留下大象和猛犸象的遗骸。

youdao

The only downside is that you wake up the next day feeling like a cast member of The Walking Dead.

（休息不足）唯一的缺点是第二天起床时就感觉自己像是《行尸走肉》里的演员。

youdao

What makes this different is that you can choose to time the duration of the player so that you won't wake up with a phone with a dead battery.

是什么让这个不同的是，你可以选择播放器的时间期限，这样你就无法唤醒手机与电池没电。

youdao

Gusty Spence, who organised the UVF in the 1960s, made the call in the wake of the murder of Bobby Moffett, shot dead by UVF members in May.

BBC: Gusty Spence calls for UVF to disband

In the wake of the financial crisis of 2008, a familiar refrain echoed throughout economic discussions: The U.S. consumer is dead, the pundits said, and his and her demise means the economy has one foot in its own grave.

FORBES: Buffett, Lynch and Graham Like The Schmata Biz

At first, we sorta thought those air raid sirens (you know, the ones that are freakin' loud enough to wake the dead) were enough of an "emergency alert" as it was, but consider this: they usually don't tell you the nature of the emergency or give you instructions on exactly how you're supposed to proceed.

ENGADGET: Sprint Nextel first national to test emergency alerts