对于数学家而言，一把椅子相当于一个苹果；一个杯子——至少是有把手的——就像一个油炸圈饼。

To mathematicians, a chair is equivalent to an apple; a mug—at least, one with a handle—is like a doughnut.

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火车车门内侧有把手。把手很紧，这样就不会被意外打开了。

Train doors have handles on the inside. They are stiff so that they cannot be opened accidentally.

《柯林斯英汉双解大词典》

有把手转动，有门铃滴滴。

There were handles, door bells.

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