Polyphenyl
聚苯
🗣️ 情景例句
My private life is none of your business!
我的私生活不关你的事。
I'm going to be late.
我要迟到了。
For hundreds of years, St.Bernard dogs have saved the lives of travellers crossing the dangerous Pass.
几百年来，圣伯纳德修道院驯养狗拯救了许多翻越这道山口的旅游者的生命。