Coprostanol
粪（甾）醇
🗣️ 情景例句
I've been invited to give a talk at the conference.
我已受邀在大会上发言。
The sudden noise scared the dog away.
突然突然的噪音把狗吓跑了。
He set out to discover whether the wagging dance showed direction.
他开始着手找出摇摆舞是否表示方向。