cut-off angular frequency

例句：

1. 1.The power cut-off caused the lights to go out.
   电力中断导致灯光熄灭。
2. 2.The bridge was cut-off from the road for maintenance.
   为了维护，桥梁被从道路上割断。
3. 3. The company decided to cut-off its ties with the union.
   公司决定与工会断绝关系。