51. compress   vt.   压紧，压缩

　　She compressed her lips and said nothing.

　　It’s difficult for her to compress all her clothes into a bag.

　　译The file has been compressed.

　　52. component    n.   （机器或设备等的）构成要素，零件     =parts

　　The machine has more than 100 components.

　　A component has to be replaced in the stereo system.

　　53. concession    n.  让步

　　This is a great concession for him.

　　The boss's promise to increase the workers' pay was a concession to the demands.

　　54.conceive   v.  想出来   =think out     plan

　　Scientists first conceived the idea of the atomic bomb in the 1930’s.

　　I can’t conceive why you allowed the child to travel alone.

　　Most people couldn’t conceive of living without a telephone.

　　55. conceal   vt.  隐藏，隐匿，   =hide

　　He tried to conceal the fact that he had lost the file.

　　The house was concealed from the road by a small wood.

　　The boy concealed the sweets in the pocket.

　　56. condemn   vt.  谴责    criticize seriously

　　People condemn war.

　　We all condemn his behaviour.

　　The newspapers condemned the Prime Minister for his decision.

　　57. condense  v.  压缩，减少

　　The committee decided to condense the organization.

　　He condensed his story into one page.

　　She condensed her report from 2000 to 500 words.

　　58. confess  v.   承认，供认  admit

　　The boy confessed (to) breaking the window.

　　When the police questioned the man , he confessed

　　I confess to having heard about it.

　　59. confine… to  把…限制在（某范围内），仅限于   =limit to

　　Please confine your remarks to the subject.

　　I wish you would confine yourself to the matter under discussion.

　　60. conquer   vt.  征服，战胜  win victory over

　　The invaders can never conquer the country.

　　When will the scientists conquer the weather?

　　They conquered the flood at last.

　　She conquered the fear under the help of her mother.