Speciation
n. 物种形成
🗣️ 情景例句
Mitchell, so nice of you to come.
Mitchell，欢迎光临。
It's up in the air.
尚未决定。
The intellectual, who is working on some abstruse problem, has everything coordinated and organized for the matter in hand.
一个专心钻研某个复杂问题的知识分子，为了搞好手头的研究，要把一切都协调一致，组织周密。