Vacuum switch
[化] 真空开关
🧩 词语组成解析
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
I'd like to talk with you about something troublesome.
我想同你谈点麻烦事。
I'm calling from a public phone.
我打的是公用电话。
The inspector then asked the old lady to try to check what was missing by the next day and advised her not to stay alone in the flat for a few nights.
巡官请老妇人在次日之前设法查清丢了些什么，并劝她几夜之内不要独自一人在公寓过夜。