Quadrupole
[化] 四极
🗣️ 情景例句
Fine. We were just wondering about this trunk.
好啦。我们正纳闷这只大衣箱呢。
Remember me to your mother-in-law please.
请替我问候你的岳母。
What time would be good for you?
什么时间你合适呢？