Euxanthon
优吨酮, 1, 7-二羟(基)夹氧杂蒽酮
🗣️ 情景例句
I know you will.
我想你会的。
If you have something to say…say it!
有话快说。
You may be interested in only some of the items.
你也许对某些产品感兴趣。