Dehydromorphine
[医] 脱氢吗啡, 氧化吗啡
🗣️ 情景例句
on the school board,
在联合校董会中
I've bee invited over to a friend's, and you?
有个朋友请我去作客，你呢？
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。