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- 开关
开关
kāi guān
Meaning
- power switch
- to switch on and off
- to open and close
Definition
指控制电路通断的装置；也指开启和关闭的动作或状态。
A device that controls the on/off state of an electrical circuit; also refers to the action or state of turning on and off.
Usage
常用作名词，指具体的电器开关；也可作动词，表示开与关的操作。在口语和书面语中均常见。
Commonly used as a noun referring to a physical switch; can also be used as a verb meaning to turn on and off. It is common in both spoken and written language.
Examples
- 1 请把房间的灯开关打开。 (Please turn on the light switch in the room.)
- 2 这个开关控制着整个楼的电源。 (This switch controls the power supply of the entire building.)
- 3 他每天上下班都要开关电脑。 (He has to turn on and off the computer every day when he goes to and from work.)
- 4 开关阀门时要小心，别弄坏了。 (Be careful when turning the valve on and off, don't break it.)
- 5 这种新型开关更加安全省电。 (This new type of switch is safer and more energy-efficient.)
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