1.conversion n.轉換；折合(the exchange of one type of security or currency for another);財產轉移(the changing of real property to personal property or vice versa)

詞根記憶：con+vers(轉)+ion一轉換

例:Those farmers started the conversion of their intangible worth into cash terms.//conversion to cooperative ownership轉移合作所有權

2.convert v.(into)（使）轉化;（使）改變( to transform)；換算(to transform)

詞根記憶：con+vert(轉)--轉換

例:The equipment is used to convert solar energy into electricity.

3.convey v.運載，運送(to bear from one place to another);表達(to impart or communicate)

詞根記憶：con(共同)+vey(道路)--通過道路一起走--運載，運送

例:Human beings can see the spatial relations among objects by processing information conveyad by light.//The author intended to convey a negative attitude toward the role of race in determining status.

派生詞：conveyor(n.運送者;運送設備)

4.conviction n.判罪(the act or process of convicting of a crime)；堅信(strong belief)

詞根記憶：來自convict(礦定罪)，con+vict(征服)--征服罪犯_判罪；尤其注意conviction“堅信”一意

例:Many migrants came to America out of religious or political conviction.//The Revolutionary generation asserted its conviction that the welfare of the Republic rested upon an educated citizenry.

同根詞：victory(n.勝利)；invincible(a.無敵的)

5.convince v.（使）某人確信(to bring to belief)；說服(to persuade)

詞根記憶：con(全部)+vince(征服，克服)一徹底征服對方一說服

例:People will follow medical advice when they are convinced that it is effective.//The mayor's publicity campaign has convihced many people to leave their cars at home and ride the bus to work.

派生詞：convinced(a．確信的)；convincingly(ad.信服地，有說服力地)

6.convoluted a．錯綜復雜的(twisted and tangled)

詞根記憶：con(共同)+volut(滾)+ed--纏繞在一起的--錯綜復雜的

例:The message was so convoluted that Bill couldn't understand it.

派生詞：convolve(v.卷，纏繞);convolution(n.回旋，卷繞)

7.cooperate v.合作(to associate with another or others for mutual benefit);配合(to act or work with another or others)

詞根記憶：co（共同）+opert工作）+ate--起工作--合作

例:Employees who are frequently absent are the least likely to cooperate with or to join a corporate fitness program.

派生詞：cooperation(n.合作)

同根詞：operable(a.可操作的；可動手術的)

8.coordinate n.坐標(any of a set of numbers used in specifying the location of a point on a line, on a surface, or in space) v.協調(harmonize)

例:x-coordinate X（坐標）軸//The firms coordinated such activities by using available means of communication and transport.

派生詞：coordination(n.協調，調和)

9.copper n.銅(chemical element,a common reddish-brown metal);a．銅（制）的

聯想記憶：cop(警察)+per--警察制服上的鋼扣

例:copper mining company銅礦開采企業

10.coral n.珊瑚;珊瑚蟲

聯想記憶：cor(看作core核心)+al-+大海的核心之處有珊瑚--珊瑚

例:coral reef珊瑚礁