Etileno
乙烯
🗣️ 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。
A cock is bold on his dunghill.
站在粪堆上，公鸡也称王。
Mrs.Rumbold was a large, unsmiling lady in a tight black dress.
兰伯尔德夫人是一位身材高大、表情严肃的女人，穿一件紧身的黑衣服。