单词	traffic lights
释义	traffic lightsˈtraffic ˌlights noun [countable] a set of lights at a place where roads meet, that control the traffic by means of red, yellow, and green lights
随便看	sleepwalker sleepwalking sleepwear sleepy sleepyhead sleet sleeve -sleeved sleeveless sleigh sleight of hand slender slenderness slept sleuth sleuthing slew slice sliced bread slicer slick slicker slickly slickness slide

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