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
A whole day's work.
一整天的成果呀。
In time of prosperity,friends will be plenty.
走运时候朋友多。
Then, squinting his eyes, he said:
接着，他斜着眼，说：