Quadrupole
[化] 四极
🗣️ 情景例句
The best man always keeps the rings.
男傧相总是保管戒指的。
Nothing can shake the basis for my belief.
任何东西都动摇不了我信念的基础。
It's too hard. Oh, dear! Is it broken?
太难了，天那！风筝被弄坏了！