Polyhydroxyketone
[医] 多羟酮
🗣️ 情景例句
What subject did you major in university?
你在大学主修的科目是什么？
Are you in a hurry?
赶时间吗？
Today it is no longer the tallest building in the USA, or even in New York.
今天，它不再是美国最高的大厦了，甚至在纽约都排不上号了。