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【1+1英文】
Angela: "You two go on ahead without me. I don't want to be the third wheel."
【1+1中文】
安吉拉：你们两个去吧，我可不想当电灯泡。
【1+1解析】
The "third wheel" refers to the person who is the outsider when there is a group of three.
中文意思：第三者；电灯泡。