roll /rəul/ I. vt. & vi. 1.(使)滚动：Silent tears slowly rolled down her cheeks. 她不作声，但泪水从脸上慢慢流下。The Yangtze River rolls its water to the sea. 长江滚滚入大海。 2. 卷(与up连用)： Then he rolled up the map. 然后他卷起地图。3. (使)摇摆，(使)摇晃： The ship was rolling heavily. 船摆动得很厉害。 The drunken man rolled up to me.那醉汉向我蹒跚走来。 4.碾，轧：roll the road surface flat 把路面轧平 5.用于短语动词 roll in （钱币）滚滚而来：He only set up the business last year and the money’s already rolling in. 他去年才建的商店，财源已经滚滚而来。roll over 翻身，打滚：The patient rolled over in bed from time to time. 病人不时地在床上翻身。 roll up 把…卷起来；到达（通常迟到）：I rolled up my sleeves and began to wash the dishes.我卷起袖子开始洗完。By the time Jim rolled up, the party had almost finished. 吉姆到达时，聚会几乎结束了。 ‖II. n. 1. (一)卷，卷形物：a roll of film 一卷胶卷 The shop was full of rolls of cloth. 店里全是卷布。 2. 面包卷，小面包：a bread roll 小面包卷 3.名单，名册：read the roll of graduates 宣读毕业生的名单Please call the roll.请点名。
roller /ˈrəulə/ n. ［c］ 滚筒，滚轴；滚杠；压路机：roller skate 轮式溜冰鞋 They pushed the boat down to the water on rollers.他们利用滚杠把小船推下水。A steam roller is used in making and repairing roads.蒸汽压路机用来修筑道路。
