Stf
[医][=serum thymus factor]血清胸腺因子
🗣️ 情景例句
If it's a good one, then we'll make it work for us.
假如它是个好工作， 我们就顺水推舟。
Why did't you tell me?
为什么你不告诉我？
Yes, that's a good idea. But I have another difficulty. My written English isn't very good either.
是的，这主意不错。但我还有另外一个难题。我的书面英语也不好。