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[医][=retained foreign body]残留异物
🗣️ 情景例句
That's better than being behind.
这总比落后要好。
He is also very fond of playing tennis and manages to find time for a game twice a week.
他非常喜欢打网球，每周总要抽时间打两次。
We talked and wondered about the people who had lived here before.
我们谈论并且很好奇以前住在这里的人们。