Copolymerisation
[建] 共聚多酯
🗣️ 情景例句
Good morning. This is Huang Feng.
早上好，我叫黄凤。
Every man has his hobby-horse.
人各有所好。
Let us suppose that you are preparing a meal and keeping an eye on the baby at the same time.
假设你在做饭，同时又在照看孩子。