Siporex
西波来克斯材料
🗣️ 情景例句
The thieves stole all my money.
小偷偷了我所有的钱。
Make a long story short!
长话短说！
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，