dullnessKK [ˋdʌlnəs] /ˈdʌlnəs/发音名词1无趣、枯燥、乏味The dullness of the lecture put half the audience to sleep.那场演讲太过枯燥,让半数听众都睡著了。2暗淡、晦暗The dullness of the paint made the room feel smaller.油漆的色调暗淡,让房间显得更小。3迟钝、愚钝He mistook her silence for dullness of mind.他误把她的沉默当成脑筋迟钝。4钝痛医学She described a dullness in her lower back after the fall.她说跌倒后下背部有一种钝痛。5不锋利、钝The dullness of the blade made slicing tomatoes difficult.刀刃不够锋利,切番茄变得很困难。用这个字练口说→