GMAT考试词汇精选(MP3+文本) 第186期:Unit23-6
日期:2016-03-28 18:45

(单词翻译:单击)

1.observatory n.天文台(a building ,a place, or an institution designed and equipped for making observations of astronomical, meteorological, or other natural phenomena)

词根记忆:来自observe(v.观察)

例:Astronomers at the Palomar Observatory have discovered a distant supernova explosion.

2.obsess v.(使)困扰,(使)着迷( to haunt or excessively preoccupy the mind of)

词根记忆:ob+sess(=sit坐)--坐着不走--(使)困扰,(使)着迷

例:The fear of death obsessed her throughout her old age.

派生词:obsession(n.迷住:萦绕)

3.obsolescence n.荒废;过时( the condition of being nearly obsolete)

词根记忆:来自obsolete(a.废弃的)

例:technical obsolescence技术过时

4.obstacle n.障碍(something that impedes progress or achievement)

词根记忆:ob(反)+st(=stand站)+acle(东西)--反着站的东西--障碍

例:In the speaking contest, Randolph faced formidable obstacles.

5.occupation n.工作,职业(a job; employment);占领(the act or process of taking possession of a place or area)

词根记忆:来自occupy(v.占领;使用)

例:There is no occupation for which the risk of developing an animal- induced allergy is higher than 30 percent.

派生词:occupational(a.职业的;占领的)

同根词:preoccupation(n.全神贯注,入神)

6.occupational a.职业的(of the activit3t in which one engages);占领的(taking possession of a place or area)

词根记忆:来自occupation(n.职业:占领)

例:Unlike men of science; women of science have had to work against the grain of occupational stereotyping to enter a "man's world".

同根词:preoccupation(n.全神贯注;当务之急)

7.occurrence n.发生(the action or instance of occurring);事件(sth. that occurs)

词根记忆:oc(加强)+curr(发生)+ence--发生

例:It provides an explanation for the occurrence of a situation described in the first paragraph.

同根词:concur(v.同时发生)

8.odd a.奇怪的(peculiar);奇数的(impar);n.[pl.]可能性(possibility);不平等(imparity)

联想记忆:奇奇(odd)相加(add)为偶

例:I avoided the odd person who was talking to himself.//The odds are 10 t0 1 against your winning.//against odds尽管有极大的困难//at odds争执,不一致

派生词:oddity(n.奇特的人或物:古怪的性质)

9.odometer n.(汽车)里程表(an instrument for measuring the distance traveled as by a vehicle)

词根记忆:odo(旅行)+meter(测量)--测量旅行的东西--里程表

例:I couldn't determine how far l'd driven because my car's odometer is broken.

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重点单词
  • explosionn. 爆炸,爆发,激增
  • technicaladj. 技术的,工艺的
  • obsessv. (使)牵挂,(使)惦念,(使)着迷,(使)困扰
  • obsessionn. 困扰,沉迷,着魔,妄想
  • supernovan. [天]超新星
  • occupationn. 职业,侵占,居住
  • explanationn. 解释,说明
  • preoccupationn. 先取,先入成见,全神贯注的事,专心
  • excessivelyadv. 过分地,过度地,非常地
  • obstaclen. 障碍,绊脚石