revolve:v. 1)go round in a circle around sth.;rotate e.g.The earth revolves both round the sun and on its own axis Don't open the washing machine when it revolves at high speed 2)have sth.as a main subject or purpose e.g.He revolved the main points in his mind. He wishes to revolve the problem before giving an answer revolve,rotate,roll&eircle 这些动词均有“转动、旋转”之意。 revolve强调指物体围绕本身以外的中心旋转，即公转。 rotate强调指物体围绕自己的轴或中心旋转，即自转。 ro指某物在平面上滚动或翻滚。 circle指作圆周运动。 e.g.The plane circled the airport before landing The earth revolves round the sun. The children rolled down the hill,laughing. The Earth rotateson its axis once every 24 hours 16 "You could have been a bit more helpful when we arrested you,"he said to me reproachfully. (1)reproach:v.to blame or criticize sb for sth. e.g.He reproached himself for not telling her truth She was reproached by her boss (2)What does"a bit more helpful"mean? "A bit more helpful"means that the narrator should have argued with or tured against the policeman when he was arrested (3)Why did the policeman say it reproachfully? Because the police had failed in the case and had to pay for it. 17.Then they,presumably,would have apologized,perhaps even taken off their caps,and let me on my way. (1)taken offone's cap (hat)tosb.:to show respect or admiration for(sb.). revolve: v. 1) go round in a circle around sth.; rotate e.g. The earth revolves both round the sun and on its own axis. Don’t open the washing machine when it revolves at high speed. 2) have sth. as a main subject or purpose e.g. He revolved the main points in his mind. He wishes to revolve the problem before giving an answer. revolve, rotate, roll & circle 这些动词均有 “转动、旋转”之意。 revolve 强调指物体围绕本身以外的中心旋转，即公转。 rotate 强调指物体围绕自己的轴或中心旋转，即自转。 roll 指某物在平面上滚动或翻滚。 circle 指作圆周运动。 e.g. The plane circled the airport before landing. The earth revolves round the sun. The children rolled down the hill, laughing. The Earth rotates on its axis once every 24 hours. 16. “You could have been a bit more helpful when we arrested you,” he said to me reproachfully. (1) reproach: v. to blame or criticize sb for sth. e.g. He reproached himself for not telling her truth. She was reproached by her boss. (2) What does “a bit more helpful” mean? “A bit more helpful” means that the narrator should have argued with or turned against the policeman when he was arrested. (3) Why did the policeman say it reproachfully? Because the police had failed in the case and had to pay for it. 17. Then they, presumably, would have apologized, perhaps even taken off their caps, and let me on my way. (1) taken off one’s cap (hat) to sb.: to show respect or admiration for (sb.)