Quadripole
[计] 四端网络, 四端电路
🗣️ 情景例句
Thank you. Just put them on my desk.
谢谢。 把它们放在我桌上。
Harm watch, harm catch.
害人反害己。
My grammar is improving, but I find idioms and useful expressions hard to learn.
我的语法在进步，但我发现习语和有用表达很难学。