四年级下册复习资料重点单词Unit 1first floor(一楼) second floor(二楼) library(图书馆)teachers office(教师办公室) computer room(计算机房)playground(操场) music room(音乐教室) garden(花园)art room(美术教室) GYM(室内体育馆)water(水) tiger(老虎) sister(姐妹) dinner(晚餐) computer(电脑) Unit 2breakfast(早餐) lunch(午餐) dinner(晚餐) English class(英语课) music class(音乐课) PE class(体育课)get up(起床) go to school(去上学) go home(回家) go to bed(上床睡觉) girl(女孩) bird(鸟) nurse(护士) hamburger(汉堡包)