Mamelonation
[医] 乳头形成
🗣️ 情景例句
It's well worth the time.
这很值得花时间。
The burden on likes is cheerfully borne.
爱挑的担子，就愉快轻松。
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。