车祸发生时,几个旁观者立即拨打了报警电话。

Several bystanders immediately called the police when the car accident happened.

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Several bystanders immediately called the police when the car accident happened.

bystanders 是 bystander 的复数形式,由 by(在旁边)和 stander(站立的人)组成,字面意思是"站在旁边的人",即"旁观者"。

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