Stis
abbr. science and technology information system 科技信息系统; Scientific and Technological Information Services 科技情报服务; Specialized Textile Information Service 纺织特别信息服务; silicon target image sensor 硅靶图像传感器
🗣️ 情景例句
I only buy used books.
我只买旧书。
I'm afraid that the item isn't what we're looking for.
我恐怕这种产品不是我们所要找的。
I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，