Scanning electron microscope(sem)
[化] 扫描电子显微镜
🧩 词语组成解析
[计] 扫描\\n[医] 断续言语, 扫描
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
He ventured upon an enterprise.
他大胆地开始了他的事业。
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
Sure enough, a policeman arrived on the scene and politely asked the workmen to go away.
果然，警察来了，不礼貌地请工人离开此地；