Lanostane
羊毛甾烷
🗣️ 情景例句
Great! Pass me the hammer.
很好！把钉锤给我。
Good morning, ladies and gentlemen. It's very satisfying to see so many of you here.
各位女士各位先生，早上好，在这里见到你们大家使人感到非常满意。
So it's not serious, doctor?
那么说，医生，这病并没有什么大不了的？