精选优质文档-倾情为你奉上四年级下册重点单词句子 Unit1重点: first floor(一楼) second floor(二楼)library (图书馆) teachers office (教师办公室) playground (操场) computer room (电脑房) art room ( 画室) garden (花园 )music room(音乐室) gym (体育室) next to ( 紧挨)补充:ruler(尺子) pencil(铅笔) eraser(橡皮) crayon(蜡笔)bag(包) pen(钢笔) pencil box(铅笔盒) book(书)classroom(教室)window (窗)blackboard(黑板)light(电灯)picture(图片)door(门) teachers desk (老师讲台)computer(电脑)fan (电风扇)wall (墙)floor(地板)TV(电视)schoolbag(书包) maths b