1. He cut on the light when he entered the room. 他进房间时打开了灯。
2. The technician cut on the machine for testing. 技术员启动机器进行测试。
3. She cut on the heater because it was cold. 天气冷，她打开了暖气。
4. They cut on the system before starting the work. 他们在开始工作前启动了系统。

A: Did you cut on the air conditioner? A：你打开空调了吗？

B: Yes, I cut on it because it's very hot. B：是的，因为太热了我把它打开了。

1) 指开启设备或电源
2) 指让机器开始运行
3) 在口语中表示打开某个功能
4) 少见用法中表示状态被激活

1. 打开；开启（设备、电源等）

e.g. He cut on the TV and sat down. 他打开电视并坐了下来。

2. 启动；使运行

e.g. She cut on the system to begin work. 她启动系统开始工作。

verb phrase

1. To switch on or activate a device, system, or function so it begins operating.

Synonym: turn on, switch on, activate