Euxanthone
[化] 优┷吨酮; 1,7-二羟(基)-9-氧杂蒽酮(请比较flavone黄酮)
🗣️ 情景例句
Who knows?
谁知道？
I was born on November first,nineteen thirty-five.
我是一九三五年十一月一号。
The big clock refused to welcome the New Year.
那座大钟不愿意迎接新年。