Stf
[医][=serum thymus factor]血清胸腺因子
🗣️ 情景例句
Until we're married, you're not staying over.
我们结婚时，你才可以留下来。
I'll pretend I didn't see that.
睁一只眼，闭一只眼。
Do you have to feed plants like you feed chickens? Or do they grow up by themselves?
你得要像喂小鸡那样去喂幼苗吗？还是它们自己长大呢？