Polyphenyl
聚苯
🗣️ 情景例句
You miss her.
你思念她。
Mike found it difficult to adjust at first, but he's used to studying at Harvard now.
刚开始迈克发现很难适应在哈佛的学习，但现在他已经习惯了。
What did he do?
他是干什么的？