Lathosterol
7-烯胆(甾)烷醇
🗣️ 情景例句
Don't ask why; just do as you are told.
别问为什么， 按要求去做就行了。
I haven't seen you for age. You haven't been sick, have you?
好久不见。你不是病了吧？
The young woman stood up and stepped forward.
年轻的女人站起来走向前。