traffic lights 的英语意思
traffic lightsˈtraffic ˌlights noun [plural] 
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a set of red, yellow, and green lights that control traffic一组控制交通的红、黄、绿灯
查看全部语言翻译 a set of red, yellow, and green lights that control traffic一组控制交通的红、黄、绿灯 查看全部语言翻译 a set of red, yellow, and green lights that control traffic一组控制交通的红、黄、绿灯