Fucosterol
岩藻甾醇, 岩藻固醇
🗣️ 情景例句
Please give my best regards to your sister.
请向你妹妹转达我最诚挚的问候。
Why are you so happy?
你为什么这样快乐？
What did your boss say to him?
你老板是怎么对他说的？