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 journey of a thousand miles begins with a single step.
千里之行，始于足下。
What does she mean by canceling her performance?
她取消自己的演出是什么意思？
Those who never have to move house become indiscriminate collectors of what can only be described as clutter.
那些从来不必搬家的人们成了一种无所不容的收藏家。他们专门收藏那些只能被称作杂货的东西。