Seda
abbr. scanning electron diffraction attachment 扫描电子衍射装置
🗣️ 情景例句
What classes are mandatory for your major?
你的专业什么课是必修的？
The new play was good and everybody enjoyed it.
新戏很好看并且所有人喜欢它。
I think that may be the problem.
我想问题就在这里。