Stf
[医][=serum thymus factor]血清胸腺因子
🗣️ 情景例句
A workaholic lives to work, rather than works to live.
这种人活着是为了工作，并不像其他人工作是为了生活。
Photography is an expensive hobby.
摄影是门花费很多的爱好。
He owned himself defeated.
他承认自己失败了。