Hydroxyestradiol
羟雌(甾)二醇
🗣️ 情景例句
Just follow me, Mr. Johnson.
请跟我来 Johnson先生。
And they are very proud of their son's success in getting a scholarship to Harvard.
他们为儿子获得哈佛的奖学金页感到非常自豪。
What's in it?
里面是什么东西？