Seda
abbr. scanning electron diffraction attachment 扫描电子衍射装置
🗣️ 情景例句
We all have the same 168 hours per week, it's what you do with them that counts.
我们每个人一周里都有 168 个小时，就看你怎么利用。
I'll go on an outing with some friends.
我与朋友去郊游。
I never catch anything -- not even old boots.
我什么东西也未钓到过 -- 就连旧靴子也没有。