Simma
abbr. scanning ion microscopy and micro-sectioning apparatus 扫描离子显微分析及显微磨片装置
🗣️ 情景例句
She was sick so the didn't attend her classes.
她生病了，所以没上学。
To hiss
咻咻地叫
Is he coming later?
他晚些时候会来吗？