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怎样背单词【常用英语前缀(9)circum-/co-】


  circum-表示"环绕,周围"

  circumcise环割(circum+cise切→环切)
  circumference周长(circum+fer带来→ence→带来一圈→周长)
  circumnavigate环航世界(circum+navigate航行)
  circumscribe限制(circum+scribe写→规定范围→限制)
  circumspect小心谨慎的(circum+stance站→站在周围→环境)
  circumvent回避(circum+vent走→绕圈走→回避)


  co-表示"共同",通常放在元音词根前

  Cooperation合作(co+operation操作→共同操作→合作)
  Coagulate凝结(co+agul凝聚+ate→凝聚起来)
  Coalesce联合;合作(co+al=ally联盟+esce)
  Coexist共存(co+exist存在)
  Cohere附着;粘着(co+here粘→粘在一起)
  Coincide一致,符合,巧合(co+in进+cide掉下→共同掉进来→巧合)
  Coordinate协调:同等的(co+ordin顺序+ate→顺序一样→同等的引申为平等;协调)

  来源:怎样背单词http://skill.qsbdc.com/cigencizhui/29.html
  英语词汇量测试http://test.qsbdc.com/?lf
  5000词组分级在线背诵:http://phrase.qsbdc.com/?lf

circumcise....
in Arabia,all of the little boy should be  circumcised

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circumference周长
The distance around something; the circumference

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circumnavigate环航世界
Magellan was the first person to circumnavigate the globe

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Do not circumscribe your study only in classes.
circumscribe

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He was very circumspect in his financial affairs

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circumvent回避
The company has opened an office abroad in order to circumvent our tax laws

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Cooperation合作
Our success was attributed not so much to your help as to our cooperation.

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Blood coagulates in air.
   血液遇到空气就凝结。

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Coalesce联合;合作
The views of party leaders coalesced to form a coherent policy

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Coexist共存
Our foreign policy is to coexist with other countries

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Cohere附着;粘着
t can be difficult to get a group of people to cohere

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Coincide一致,符合,巧合
They didn't coincide in opinion

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Coordinate协调:同等的
This is a coordinate clause

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