在外面玩耍后,孩子们手上沾了灰尘。

在外面玩耍后,孩子们手上沾了灰尘。

After playing outside, the children had dirt on their hands.

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After playing outside, the children had dirt on their hands.

dirt 是名词,意思是"灰尘、泥土、污垢",指附着在物体表面的细小颗粒状物质。

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