Polyphenylethyl
聚乙基苯
🗣️ 情景例句
Conversation full of wit.
情趣横溢的谈话。
I feel younger than ever.
我觉得比以前年轻。
There is a new type of machine which can produce colour copies.
有一种新型的机器能够制作出彩色复印件。