Seda
abbr. scanning electron diffraction attachment 扫描电子衍射装置
🗣️ 情景例句
I'd like to make a couple of proposals to improve the whole situation.
为了改善整个局面，我们提出若干建议。
How long will the sale last?
折价销售多久？
Yes, very nice, thank you.
是的，非常愉快，谢谢。