交通信号灯 jiāotōngxìnhàodēng traffic light Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 许多交通信号灯都有声音信号。 xǔduō jiāotōngxìnhàodēng dōu yǒu shēngyīn xìnhào. Many traffic lights have audible signals. Source: CCMatrix
