Xanthone
n. [化]一种化学原料(为杀虫剂及合成染料)
🔁 扩展释义
【化】 ┷吨酮【医】 ┱吨酮, 氧杂蒽酮
🗣️ 情景例句
since her mother died.
因为她妈妈去世了。
You're wasting you breath.
你在白费口舌。
Excuse me, Mr. Hu. Can you look after my watch, please?
劳驾，胡老师，你能帮我保管一下我的手表吗？