I heard the key turn in the front door and I was out of bed like a shot.
我听见钥匙开前门的声音，立刻从床上起来了。
He remembered putting the key in the box under his bed.
他记得把钥匙放在床底下的箱子里了。
Yes, my friend Mr. Ayers now sleeps inside. He has a key, he has a bed.
是的，我的朋友埃尔斯先生已经不再露宿街头，他有了一把钥匙，一张床。
The control analysis of Automobile test-bed braking system is a key problem on safety designing.
汽车制动器试验台的控制分析是安全设计中的关键问题。
The control analysis of Automobile test-bed braking system is a key problem on safety designing.
汽车制动器试验台的控制分析是安全设计中的关键问题。
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