名词
中文翻译：拉杆
同义词：
['pushbutton', 'button', 'pull-button']
例句：
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1. The car has a pullbutton for starting the engine.
这辆车有一个拉杆来启动发动机。
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2. She used to have a button on her shirt that she could press to make it smaller.
她过去在衬衫上有个按钮，可以按它让衣服变小。
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3. The engineer pulled the button to open the door.
工程师拉了一下按钮来打开门。