Seda
abbr. scanning electron diffraction attachment 扫描电子衍射装置
🗣️ 情景例句
Talk it over. Think it over. Let me know by the end of the week.
好好地谈一谈。好好地想一想。这个周末以前让我知道你的决定。
Yes, you can. Would you please show me your card?
可以，让我看看您的卡。
There!
哎呀！