Oleosterol
橄榄油甾醇
🗣️ 情景例句
I heard the professor of that class is very good.
我听说那个班的教授很好。
How long have you had this pain?
疼痛多久了？
but they lead mysterious lives of their own as well.
但是，它们又有自己神秘的生活方式。