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
Richard has a point. You're just beginning to look. Richard
说得对。你们只是开始看房子而已。
He is rich enough who owes nothing.
无债就是富。
Can you guess?
你能猜出来吗？