light up片语动词KK [laɪt ʌp] /laɪt ʌp/发音片语动词1点亮、照亮可拆开They lit up the whole garden with hundreds of small lanterns.他们用数百盏小灯笼把整座花园照亮。2亮起、发亮The screen lights up as soon as you touch it.萤幕一碰就会亮起。3露出喜色、眉开眼笑Her face lit up when she saw the puppy.她看到那只小狗时,脸上立刻露出喜色。4点烟、点燃可拆开He stepped outside and lit up a cigarette.他走到外面,点了一根烟。5炒热、活跃Her jokes lit up an otherwise dull evening.她的笑话让原本沉闷的夜晚热闹了起来。形容词1会发光的、发亮的The kids all wanted light-up sneakers for the school trip.孩子们都想要一双会发光的球鞋去校外教学。用这个字练口说→