Mains switch
[化] 电源开关
🧩 词语组成解析
mains
[[meinz]]
n. 电源, 网路, 干线\\n[电] 输电干线
switch
[swɪtʃ]
n. 开关;转换，转换器;软鞭子;[信]接线台;
vt.& vi. 转变，改变;转换;关闭电流;鞭打;
vt. 转换;挥动（棍棒、鞭子等）;迅速转动;鞭打;
vi. 交换;调换;
🗣️ 情景例句
Oh, you think you're going to have a hard time
你认为需要大费周折
Did you paint this yourself?
你自己亲自油漆这个？
Do you think the method of payment is OK for you?
你们认为结算方式合适吗？