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
I'm too sick to even get out of bed.
我病得都下不了床了。
I heard you'd been sick.
听说你身体不舒服。
He goes to Chinese classes every week.
他每周都要去上汉语课。