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
and we're trying to resolve that problem.
试图解决这类问题。
Look before you leap.
慎思而后行。
Inevitably you arrive at your destination almost exhausted.
一旦抵达目的地，你总是疲惫不堪。