Quadripole
[计] 四端网络, 四端电路
🗣️ 情景例句
Subway transportation is very advanced in Longdon.
伦敦地地铁非常先进。
Have you made anything?
你做东西吗？
Three months passed, and then one morning, Sam found his wallet outside his front door.
3个月过去了，后来在一天早晨，萨姆在自己的大门外发现了他的钱包。