Coprostanol
粪（甾）醇
🗣️ 情景例句
For payment we would prefer and L/C.
我们更愿意使用信用证的方式付款。
What time does the train for Boston leaves?
去波士顿的火车几点开？
Students often create amusing situations which are funny to everyone except the victims.
大学生们常常做的是制造一种可笑的局面，使大家笑上一场，当然受害者是笑不出来的。