Quadrupole
[化] 四极
🗣️ 情景例句
Would you like some more ...?
你想不想再来些……
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
It was an exciting finish.The winner was Billy Stewart.
比赛的结尾是激动人心的。获胜者是比利。斯图尔特。