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
Ah, Richard, Marilyn, I want you to meet John O'Neill.
啊 Richard Marilyn 我向你们介绍John O'Neill。
Well, goodbye and have a good trip!
那么，再见，祝你一路顺风。
Li lei is very good at football.
李雷很擅长足球。