Chalcone
[化]查耳酮(芳基烯丙酰芳烴, 苯丙烯酰苯)
??? 情景例句
Is this in fashion?
這現在流行嗎？
After the flood, the carpets were wet for a month.
洪水過后一個月，毛氈還是濕的。
Last Tuesday he received a letter from the local police.
上星期二他收到當地警察局的一封信，