Epithioandrostanol
环硫雄醇
🗣️ 情景例句
He's running for the school board.
他正在竞选联合校董会董事。
How about Mary? How long has she lived there?
玛丽怎么样？她在那儿住多久了？
The doctor said he could do nothing to help him.
医生说他对此无能为力。