Quadrapole
四极子
🗣️ 情景例句
I have just one--playing golf. It's expensive, but it's a lot of fun.
我只有一种爱好，打高尔夫球。花费很高，但非常有趣。
Don't you have a heart?
你有没有良心啊？
He grasped both my hands.
他紧握住我的双手。