Terpolymerization
三聚作用
🗣️ 情景例句
and we probably won't be able to
而我们也许也一样不能
I have confidence in myself.
我对自己颇具信心。
How much did you pay for all these things? asked her mother.
“买所有这些东西你付了多少钱？”她妈妈问。