Tcs
[化] 四环素类抗生素
🗣️ 情景例句
The best we can do is $ 165 per case CIF.
最优惠价格是每箱CIF165美金。
What's the purpose of your visit?
你旅行的目的是什么？
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，