Dihydroanhydrovitamin a
二氢脱水维生素A
🗣️ 情景例句
We were together in the Thursday night drama society.
我们过去总在星期四晚上的话剧社团聚会。
He is not in now.
他现在不在这里。
Let's go out and celebrate.
我们到外面庆祝一下吧