名词
中文翻译：拖把
同义词：
['mop stick', 'mop handle例句：1. The old lady used to use a dolly back to clean the floor every Sunday morning.（这位老妇人过去每个星期天早上都用拖把柄来打扫地板。）']
例句：
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1. The old lady used to use a dolly back to clean the floor every Sunday morning.
这位老妇人过去每个星期天早上都用拖把柄来打扫地板。
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2.The children were playing with their dolly backs when the rain started.
孩子们在玩他们的拖把柄时，雨开始下了。
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3. The teacher asked the students to demonstrate how to properly use a dolly back.
老师要求学生们演示如何正确使用拖把柄。