Bolandiol
[化] 勃雄二醇; 四氢雌二醇
🗣️ 情景例句
I made an appointment with the doctor at three.
我和医生约好3点钟看病。
We've only sold our product at trade fairs, not in an on-going sales campaign.
我们的产品只在商展时展售，而没有办促销活动。
At night, when you really wish to go to sleep, you rarely manage to do so.
到了夜晚，你真想睡了，却很难入睡。