老师用他的马克笔轻轻敲了敲白板,以强调重点。

The teacher tapped the whiteboard with his marker to emphasize the key point.

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The teacher tapped the whiteboard with his marker to emphasize the key point.

tapped 是动词 tap 的过去式,tap 的意思是"轻敲、轻拍",指用物体轻轻敲击表面以发出声音或引起注意的动作。

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