Polyarylester
聚芳酯; 聚芳酯
🗣️ 情景例句
Hey, go to the doctor. That cough sounds bad.
嘿，去看看医生吧，听起来你咳嗽得挺厉害的。
I'll be late, mom. I have to work.
妈，我要迟到了。我有工作了。
That's right.
是的。