Stf
[医][=serum thymus factor]血清胸腺因子
🗣️ 情景例句
No, no, Robbie doesn't have them.
不， 不， Robbie没有拿。
This is our official offer for each item, CIF Shanghai.
这是我方对每项产品的CIF上海的正式报价。
This platform would serve as a port and a railway station.
如果再建些伸出海面的高大的烟囱状通风管，