Sterides
[化] 甾类化合物
🗣️ 情景例句
He was carrying his son on his shoulders.l
他让儿子骑在肩上。
All cats love fish but fear to wet their paws.
猫都爱吃鱼，却怕爪弄湿。
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。