(每日一词）cacophony

cacophony /kəˈkɒfənɪ/ n. 刺耳嘈杂的声音;杂音

meaning: an unpleasant mixture of loud sounds 

词根：caco- 坏的，糟糕的 (咔咔）

词根：phon-声音 (microphone, telephone, phonics)

后缀：-y 名词后缀（difficult-y)

e.g. The construction site was filled with the cacophony of jackhammers, saws, and trucks beeping. 建筑工地充满了钻孔机、锯子和卡车鸣笛的刺耳声。