Back
定义
(副词) 回到以前的地方或时间
例句
“I’ll be back in an hour, so don’t leave without me.”
“Back at home, Mom was already asleep.”
回到家时,妈妈已经睡着了。
“Give me back my pen.”
把我的笔还给我。
“We got back to Beijing after midnight.”
我们半夜后才回到北京。
“He backed away when the dog barked.”
狗一叫,他就往后退了。
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