Quadrapole
四极子
🗣️ 情景例句
Are you used to eating western food yet?
你习惯吃西餐了吗？
He is a big figure in the business world.
他在商界是一位很有威望的人。
In a few days I was learning and enjoying it like any child.
几天之后，我像一个孩子那样学习起来--而且学得很开心。