Isomytiloxanthone
二去氢羟基胡萝卜酮
🗣️ 情景例句
Good morning, Mom.
早安 ，妈妈。
There have been a lot of changes here in the last 20 years.
在这20年里这里有很多变化。
Did you fight with others?
你又和别人打架了吗？