roast
roast/rəust/vt.&vi.烤，炙，烘：roast beef烤牛肉；roast a chicken烤鸡；roast coffee beans烘咖啡豆The meat is roasting in the oven.肉在炉子里烤着。
rob/robber/robbery
rob/rɔb/vt.&vi.1.掠夺，抢劫：We were robbed by that man.那个人掠夺我们的财物。They robbed the rich to help the poor.他们劫富济贫。rob sb. (some place) of sth.抢走某人(或某处的···
robe
robe/rəub/n.［c］长袍，长衣：the robe decorated with laces用花边装饰的长衣Many Arabs still wear robes.许多阿拉伯人仍穿长袍。
robot/robotic
robot/ˈrəubɔt/n.［c］机器人：a robot bomber遥控轰炸机，无人驾驶轰炸机；industrial robot工业机器人In this workshop robots do most of the work.在这个车间大部分工作由机器人来做。ro···
robust
robust/ˈrəubʌst/adj.1.强壮的，健全的：a robust company一家健全的公司；a man of robust health身体强壮的人2.坚定的，坚强的：a robust faith坚定的信念
rocket
rocket/ˈrɔkit/n.［c］火箭：the rocket’s red glare火箭的红色闪光；a step rocket多级火箭；a carrier rocket运载火箭；launch a space rocket发射宇宙火箭
rod
rod/rɔd/n.［c］杆，棒，竿：curtain-rods吊挂帐幕的杆；a fishing-rod钓鱼竿Pass me a bamboo rod.递给我一根竹竿。The wheels of the toy car were fixed on metal rods.玩具车的轮子固定在金···
rogue
rogue/rəuɡ/n. [c]流氓，无赖；调皮捣蛋者：The rogue swore against the young man, saying he was a thief.那个流氓诬赖那个年轻人，一口咬定他是小偷。They defined him as a rogue.他们确···
role
role/rəul/n.[c] 1.角色：play the leading(a contemptible ) role扮演主角（不光彩的角色）What role does she play in that film?她在这部电影里演哪个角色?2.作用，任务：play an important···
roll/roller
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···
