Quadrapole
四极子
🗣️ 情景例句
When you start discussing politics, I'm completely out of my depth.
你们一谈论政治，我就一窍不通了。
Credit, like a looking-glass, broken once, is gone, alas.
信誉像镜子，破碎无法补。
OK! Is it straight?
好的！立直了吗？