Seda
abbr. scanning electron diffraction attachment 扫描电子衍射装置
🗣️ 情景例句
Bye.
再见。
I must have dialed a wrong number.
我一定拨错号了。
We endeavour to avoid the old, romantic idea of a gusher, which wastes oil and gas.
我们尽量避免使用陈旧天真的喷井方法，那样会浪费石油和天然气。