Desulfating
[化] 脱硫酸盐
🗣️ 情景例句
Do you think they're open?
你们说现在还开门吗？
To race
竞争
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，