These wheels have a groove in them that allows them to move smoothly along a track.
这些轮子有一个线槽,让它们能在轨道上顺利地移动。
The groove on the record made it easy for the needle to follow the music.
唱片上的线槽使针头能够轻松跟随音乐。
The knife has a groove in the handle that provides a comfortable grip.
这把刀的手柄上有一个线槽,提供了舒适的握把。

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最佳回答 2023-02-11