名词
中文翻译：按钮
同义词：
['switch', 'button', 'switches例句：1. The computer has a button to turn it on and off.（这台电脑有一个按钮来打开和关闭它。）']
例句：
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1. The computer has a button to turn it on and off.
这台电脑有一个按钮来打开和关闭它。
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2. The door has a button for opening and closing it.
门有一个按钮用来打开和关闭它。
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3. There are several buttons on the remote control.
遥控器上有好几个按钮。