Ignosterol
麦角甾二烯醇
🗣️ 情景例句
I lost a whole day's work.
我丢掉一整天的工作成果。
I'm not really sure.
我不太清楚。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。