Polyphenylene
聚亚苯基
🗣️ 情景例句
Good afternoon, Mrs. Green. I'd like you to meet my girlfriend, Sally.
格林太太，下午好。我想让你认识一下我的女朋友萨里。
I washed 6 glasses.
我洗了六个玻璃杯。
There is nothing secretive about the Ombudsman's work for his correspondence is open to public inspection.
司法特派员的工作没有什么秘密可言，他的信件是公开的，供公众监督。