Lathosterol
7-烯胆(甾)烷醇
🗣️ 情景例句
the other half of my decision.
我这个决定的另一半。
Arthur must send that letter soon.
亚瑟，你必须立刻投递那封信。
Yes, we have been interested in new system.
是的，我们对新系统很感兴趣。