Esr
[化] 电子自旋共振; 电渣重熔
🗣️ 情景例句
Did you know
你知道
I couldn't get through.
我打不通电话。
Collecting as a serous hobby is quite different and has many advantages.
作为一种严肃的业余爱好的收藏活动完全是另外一回事，它具有许多益处。