traffic light
英
['træfɪk laɪt]
美
['træfɪk laɪt]
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Noun:
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a visual signal to control the flow of traffic at intersections
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用作名词 (n.)
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Go over after the first sight of traffic light.
过了第一个红绿灯后再仔细找找。
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Turn round and turn right at the traffic light.
回头走，到红绿灯右转弯。
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He learns how to wait for the traffic light to change.
他学习如何等待交通信号灯的变换。
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Traffic lights have been placed at all major intersections.
所有重要的交叉路口都安装了交通信号灯。
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