动词
中文翻译：关闭
同义词：
['shut', 'slam', 'seal', 'close off']
例句：
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1. The door was closed behind him as he left the room.
他离开房间时，门被关上了。
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2. The factory is closing down for maintenance.
工厂正在关闭进行维护。
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3. She quickly closed the door to keep the noise out.
她迅速关上门以隔绝噪音。