traffic signal
US /ˈtræf.ɪk ˌsɪɡ.nəl/
UK /ˈtræf.ɪk ˌsɪɡ.nəl/
名詞
交通信號燈, 紅綠燈
a set of automatically operated colored lights, typically red, amber, and green, for controlling traffic at road junctions
範例:
•
The traffic signal turned red just as I reached the intersection.
就在我到達十字路口時，交通信號燈變紅了。
•
Drivers must obey every traffic signal to ensure safety on the road.
駕駛員必須遵守每一個交通信號，以確保道路安全。