Mfp
平均自由路程
🗣️ 情景例句
You've been very thoughtful.
你一直都很周到。
Only that which is honestly got is gain.
正当的收入才是真正的收入。
that given a planet only approximately like our own, life is almost certain to start.
如果设想有一颗行星和我们地球的情况基本相似，那几乎肯定会产生生命。