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
Do we have to bag our own groceries?
我必须自己装我们买的商品吗？
To get ahead you'll have to work long hours and take short vacations.
想成功就要多流汗少享受。
Good, we'll pack up the order as soon as we get the not.
好，我们一收到会立刻打包。