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
I guess I am.
我想是吧。
The fox that had lost its tail would persuade others out of theirs.
一条狐狸丢尾巴，就劝旁的也丢它。
This is the school building.
这是学校大楼。