Dihydroprogesterone
二氢孕酮
🗣️ 情景例句
Is it possible that we forgot to buy cinnamon?
是不是我们忘了买肉桂？
Is your factory any different from other plastics factories?
你们工厂和其他塑胶工厂有何差别呢？
No, not any more. It used to be free but now you have to pay to get in.
不，不再免费了。过去是免费，可现在得付钱才能进去呢。