Xrfs
abbr. X-ray fluorescence spectrometer X射线荧光分光计
🗣️ 情景例句
What do you want to study?
你想学什么？
I left very early last night, but I wish I hadn't left so early.
我昨晚离开得非常早，但我希望我没有离开那么早。[大学英语六级]
Thank you very much for asking me to Ann's party on Sunday.
非常感谢你邀请我参加星期天安的聚会。