switch/swɪtʃ/

n. a device that you press to make a light, machine, etc. start or stop working

n. [C] 开关，电闸：I pressed the light switch but nothing happened. 我按了电灯开关，但灯没亮。

switch 关掉：Don't forget to switch off the TV. 别忘了关电视。

switch 打开：Could you please switch the light on? 请打开灯，好吗？

音组-tch/-tʃ/

catch; fetch; hatch; match; scratch; snatch; switch; watch