Dioolymer
二聚物
🗣️ 情景例句
Do you have any other symptoms? Any more than those you've described?
你有没有其它的症状？除了那些你已叙述过的？
We aren't happy with the present situation.
我们不满足于现状。
A cat? What's its name?
一只猫？它叫什么名字？