Xrf
abbr. X-ray fluorescence X射线荧光
🗣️ 情景例句
But this is what you've been working for all these years.
但你多年来的工作 为的就是这个呀。
I'm afraid I have some rather bad news for you.
我恐怕有些很坏的消息要告诉你。
The degree of secrecy naturally varies considerably.
保密程度自然差别很大。