Coevolutions
(coevolution 的復數) n.[生]共同進化
??? 情景例句
Thank you so much.
太謝謝你了。
So far I have been learning about China.
到止前我止，我一直都在研究中國的事情。
Our TV set was broken last week. He mended it for us.
上星期我們的電視機壞了。他為我們修好了。