Alumincoat
耐热渗铝法
🗣️ 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。
Is there any way of ensuring we'll have enough time for our talks?
我们是否能保证有充足的时间来谈判？
He bothered me with a great many questions.
他对我提了一大堆问题，真烦！