大学英语精读第二册Unit 5-1.ppt

Article2_w_collapse2 CF: collapse fall 这两个动词都含有“倒塌”之意。 collapse fall 通常指房屋等突然倒塌。例如： The roof collapsed under the weight of snow. 雪把房顶压塌了。 His health collapsed under the pressure of work. 他的身体被工作压垮了。 He slipped and fell ten feet. 他失足自十英尺高处跌了下来。 The book fell off the table onto the floor. 那本书从桌上掉到地上。 一般指由于失去平衡等原因而倒塌，也可作引申用。例如： Key Words Study 8. pressure: n. forceful influence He didn’t want to leave the country, he only agreed to go under pressure. We must bring pressure in him. Collocation: exert (place, put) pressure on sb. 对…施加压力 ease (relieve) pressure 减轻压力 face pressure 面临压力 resist pressure 顶住压力 under pressure 在压力下 Key Words Study Article2_w_connection 9. connection: n. relationship between things or events There appeared to be no connection between the two crimes. 你知道吸烟和心脏病之间有关系吗？ Collocation: establish / make a connection 建立交往 / 联系 break connection 断绝交往 / 联系 a(n) close / intimate connection 密切的关系 a(n) foreign / international connection 国外 / 国际关系 Do you know that there’s a connection between smoking and heart disease? Key Words Study Article2_w_transparent 10. transparent: adj. easily seen through or detected; obvious Her silk dress was almost transparent. 这只盒子有个透明的盖子。 This is the box with a transparent lid. Key Words Study Article2_w_radiation 11.radiation: n. (the sending out of) heat, energy, etc in the form of rays Many servicemen suffered radiation sickness after the early atomic tests. 这个仪器里辐射出有害的物质。 Collocation: emit radiation 释放辐射线 produce radiation 产生辐射 expose sth. to radiation 使…暴露于辐射中 harmful radiation 有害的辐射 a large amount of radiation 大量辐射 This apparatus produces harmful radiations. Key Words Study GR-text1 Article5_W_disappear1 12. disappear: vi. 1) cease to exist; become lost These beautiful birds are fast disappearing. 我桌上的钥匙不见了。 My keys have disappeared off / from the table. 2) pass out of sight; vanish I dont know how its possible for a person to disappear without trace. 太阳消失在云层后面。 The sun disappeared behind a cloud. Key