Polyphenylene
聚亚苯基
🗣️ 情景例句
You've got the wedding-day jitters!
已经得了婚礼紧张症了！
Yes. It was delicious.
是的，味道很好。
You will find that people will help you if you are ready to help them.
你会发现，如果你乐于帮助别人，别人也会帮助你。