Nitralising
硝酸钠溶液浸渍净化法
🗣️ 情景例句
John Marchetta.
我是 ，John Marchetta。
I assume you've decided against buying a new car.
我假设你决定不买一辆新汽车。
Really? I think I'll go out later, then.
真的？那么，我想我将外出。