Chalcone
[化]查耳酮(芳基烯丙酰芳烃, 苯丙烯酰苯)
🗣️ 情景例句
What's that, Mr. Carlson?
什么事， Carlson先生？
From across the room, David cast a glance at his brother.
隔着房间，大卫瞥了一下弟弟。
During the summer, I noticed tat the leaves of the tree were beginning to wither.
到了夏天，我发现树叶开始枯萎，