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
Different kinds of activities, such as commenmorative meetings, planting trees,
举行各种各样的活动，例如召开纪念大会，植树造林，
Deeds are fruits,words are but leaves.
行动是果实，言语只是叶子。
I was thinking about next Tuesday.
我想下个礼拜二。