Copolymerisation
[建] 共聚多酯
🗣️ 情景例句
You don't know Jack Wang? You're hiking.
你不认识杰克王？看玩笑吧？
They're building a new house up the street from me.
我上面的那条街正在造一幢新房子。
Do you often have sports at school?
你在学校经常参加体育活动吗？