小狗在散步时突然在草地上排便了。

The puppy suddenly defecated on the grass during the walk.

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The puppy suddenly defecated on the grass during the walk.

defecated 是动词 defecate 的过去式。defecate 来自拉丁语词根 de-(表示"离开")和 faex("粪便"),字面意思是"排出粪便",即"排便"的意思。

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