Quadrupole
[化] 四极
🗣️ 情景例句
But Dad was so exhausted when he came home from work.
但爸爸工作回来时已经累得不得了了。
I remember the girl whose father owns a pet shop.
我记得那个女孩的父亲有一家宠物店。
The purpose of my coming here is to inquire about possibilities of establishing trade relations with your company.
我此行的目的正是想探询与贵公司建立贸易关系的可能性。