Sem
abbr. 标准电子组件（Standard Electronic Modules）；扫瞄式电子显微镜（scanning electron microscope）
🏥 医学释义
扫描电子显微镜
🗣️ 情景例句
It's a deal.
成交了！
It takes courage to do so.
这样做需要勇气。
Over the years, one may well become a authority on one's hobby and will very probably be asked to give informal talks to little gatherings and then,
一人积了多年经验会成为自己这种爱好的权威，很可能应邀在小型集会上作非正式的讲话。