| 单词 | traffic signal |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔light〕A mechanical device that uses illumination as a signal or warning, especially a beacon or traffic signal.信号灯：一种作照明信号或警告的机械装置，尤指灯塔或交通信号灯美国传统〔signal〕The traffic signals were on red.交通信号亮着红灯。牛津搭配 |
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