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green light
What do they mean（意义）?
yellow light
Slow down and stop at a yellow light.
Don't go at a yellow light. You must （必须）slow down and stop.
slow down慢下来
[sl??] [da?n]
stop 停下
[st?p]
red light
Stop and wait at a red light
Don't go at a red light. You must （必须）stop and wait.
stop 停下
wait 等待
[we?t]
green light
Go at a green light.
go 走
Go at a green light.
绿灯行
traffic
rules交通规则
Slow down and stop
at a yellow light.
黄灯慢行并停止
Stop and wait at a red light.
红灯停止并等待
Remember
（记住）the
Slow down and stop, slow down and stop.