Diphyl
狄菲尔换热剂(二联苯及二苯氧化物)
🗣️ 情景例句
Usually a house is too expensive for the salary-earning class to buy.
通常房屋太贵，工薪阶层买不起。
An evil lesson is soon learned.
学坏容易。
That'll be very intersting. What cities are you going to visit?
那一定很有趣。你们打算参观哪些城市？