Andon
n. 安灯（一种可视化的讯号系统）
🗣️ 情景例句
That's a neat idea.
这是个好主意。
If you lose your way, ask a policeman.
如果你迷路了，可以向警察打听。
It took the police nearly an hour to get the traffic on the move again.
警察花了将近一个小时才使车辆又开起来。