Polyphenyl
聚苯
🗣️ 情景例句
I mean...my brother'll be really glad to see you!
我的意思是我哥哥见到你会非常高兴。
Do you want me to explain?
让我替你说明好吗？
The coffee is very weak; I like it a bit stronger.
咖啡太淡了，我要浓一点的。