Fima
费马(已裂变原子数与初始的总装料金属原子数之比)
🗣️ 情景例句
Do you want to sit by the window?
想靠窗坐吗？
All my suits are dirty.I don't have anything to wear.
我所有的西装都脏了。我没有穿的了。
I can't see. I think they're in her pencil-box.
我看不到。我想大概在她的铅笔盒里。