Permians
a. 二叠纪的\\nn. [地质] 二叠纪
🗣️ 情景例句
It has six words.
有六个字。
Wisdom is a good purchase though we pay dear for it .
为了求知识，代价虽高也值得。
At what time can we work out a deal?
我们什么时候洽谈生意？