Stf
[医][=serum thymus factor]血清胸腺因子
🗣️ 情景例句
For some reason, I couldn't get a handle on it.
因为某些原因， 我就是开不了窍。
Poverty and love are hard to hide.
贫困与爱情，都难瞒过人。
Thank you very much.
非常感谢。