Phase-veversal protection
[电] 反相保护
🧩 词语组成解析
🗣️ 情景例句
What's troubling you?
你有什么麻烦？
A man of words and not deeds is like a garden full of weeds.
空有言语而无行动的人，犹如杂草丛生的花园。
People who work in offices are frequently referred to as white-collar workers' for the simple reason that they usually wear a collar and tie to go to work.
坐办公室的之所以常常被称作“白领工人”，就是因为他们通常是穿着硬领白衬衫，系着领带去上班。