Xrf
abbr. X-ray fluorescence X射线荧光
🗣️ 情景例句
Keeping busy. Yourself?
一直很忙，你呢？
I wouldn't worry about it, if I were you.
如果我是你，我就不会担心。
Then he said something and I understood it.
接着，他说了点什么，这回我听懂了。