Peng-robinson equation
[化] PR方程
🧩 词语组成解析
n. 执业工程师
n. 罗宾逊（男子名）
🗣️ 情景例句
It would be a great business if you could do that.
假如你能办到那样的话， 可是一笔大生意。
He has a writig brush.
他有一支毛笔。
As a matter of fact, it is the other way around.
事实上，情况正好相反。