Poly(maleic acid)
[化] 聚马来酸
🗣️ 情景例句
I've really got nothing to complain of.
我确实没什么好抱怨的。
A happy heart makes a blooming visage.
心花怒放，笑逐颜开。
It is not just farmers who are complaining.
并不仅仅是农民在抱怨。