Eem
[医][=emission electron microscope]发射式电子显微镜
🗣️ 情景例句
I am unfamiliar with law.
我对法律不熟悉。
Friends are thieves of time.
交朋友，费时间。
and by the time he is grown and able to take part in its activities,
等他长大了，能做各种事了