Danthron
[化] 丹蒽醌; 1,8-二羟基蒽醌
🗣️ 情景例句
Absolutely.
当然。
I wonder if it is possible to arrange shopping for us.
我想能否在我们访问结束时为我们安排一点时间购物。
She can't come. She has to help her Mommy!
她不能来。她得帮她妈妈的忙！