Snms
abbr. secondary neutrals mass spectrometer 次级中性粒子质谱仪; secondary neutrals mass spectroscopy 次级中性粒子质谱分析技术; sputtered neutrals mass spectrometry 溅射中性粒子质谱测定技术; sputtered neutrals mass spectroscopy 溅射中性粒子质谱分析技术
🗣️ 情景例句
What has kept you so busy?
什么使你这么忙？
My home is in the capital.It's a cosmopolitan city.
我的家在首都.它是一个国际性的城市。
I'm very sorry. I borrowed a book from the library two weeks ago.
“很对不起。两周前我从图书馆借了一本书。