What does 红绿灯 (hónglǜdēng) mean in English?

Card 32IC3 Lesson 2.332/43
CARD32
PROGRESS74%
红绿灯
紅綠燈
hónglǜdēng
traffic light(Noun)

Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d