Sems
(sem 的复数) abbr. 标准电子组件（Standard Electronic Modules）；扫瞄式电子显微镜（scanning electron microscope）
🗣️ 情景例句
Sure can.
当然可以。
Don't take it for granted.
不要想当然。
With practice, no doubt, I could in time learn to write by holding the pen still while the paper moved.
毫无疑问，经过练习，我最终能够学会笔不动而纸动来写字。