Kainozoic
新生代
🗣️ 情景例句
during the week--
在本 内
By doing we learn.
经一事，长一智。
With practice, no doubt, I could in time learn to write by holding the pen still while the paper moved.
毫无疑问，经过练习，我最终能够学会笔不动而纸动来写字。