Lathosterol
7-烯胆(甾)烷醇
🗣️ 情景例句
Where do you like to live, in the city or in the country?
你喜欢住在城市还是乡村？
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
You're welcome. But, please give it back soon.
不要客气。但是要及时还我。