我环顾四周确保没人看到我,然后跳过了围栏。

I looked around to make sure that no-one saw me and jumped over the fence.

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I looked around to make sure that no-one saw me and jumped over the fence.

fence 是名词,指"围栏、栅栏",通常是用木头、金属或铁丝等材料制成的障碍物,用来分隔或保护某个区域。

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