Hydroxyestradiol
羟雌(甾)二醇
🗣️ 情景例句
Speaking of mother and of father
谈到孩子的爸， 孩子的妈，
But this doesn't mean that Mr. Li is a bookworm.
但这并不意味着李先生是个书呆子。
Thank you, I'm glad to be here.
谢谢，我很高兴到这里来。