在线common roots课程其他-中国考试

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clar-clear; clarification - an explanation; clarify - to make something clear; declare - to state something clearly

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clud, clus-close; conclusion - the end or last part; exclusion - shutting out, rejecting; seclude - to keep away from; to isolate

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cline-lean; inclination - a leaning toward; incline - a surface that slopes or leans; recline - to lean back and relax

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co-with, together, joint; coauthor - writer who collaborates with another author; coeducation - educating males and females together; cohousing - planning your neighborhood in an intentional neighborly fashion

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col-together, jointly; Collaborate - to work together; collision - smashing together; colloquial - words formed by everday interaction

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com-together, common; commemorate - to memorize together; composition - an arrangement or putting together of parts; commune - living together while owning things in common

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cogn/i-know; cognition - process of acquiring knowledge; incognito - disguised so no one knows you; recognize - to discover that one knows

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con-with, jointly; concur - to agree with someone; contemporary - of the same time period as others; convention - a gathering of people with a common interest

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contra/o-against, opposite; contradict to argue against, Contraflow, contraception, contrary not in agreement, controversy disagreement

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corp/o-body; corporation - a company recognized by law as a single body; corpse - a dead body; corporal - pertaining to the body

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cosm/o-universe; cosmonaut - a Russian astronaut; cosmos - the universe; microcosm - a miniature universe

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counter-opposite, contrary, opposing; counteract - to oppose the effects of an action; countermand - to cancel a previous order; counteroffensive - attack against an attack

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cranio-skull; craniology - the study of skull characteristics; cranium - skull of vertebrates; cranial - pertaining to the skull

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cred-believe; credence - belief that something is true or valid; credulous - believing things too easily, gullible; incredible - unbelievable

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cruc-cross; crucial-characteristic of or having the form of a cross ; crucifix- the cross itself as a Christian emblem; excruciating- so intense as to cause great pain or anguish

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crypto-hidden, secret; cryptic - of hidden meaning; cryptography - science of secret codes; encrypt - encode into secret code

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cumul-mass, heap; accumulate - to gather or pile up; cumulative - gradually building up

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curr, curs-run; concurrent- running parallel; current- flowing easily and smoothly; cursive- having a flowing, easy, impromptu character

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cycl-circle, ring; bicycle - a vehicle with two wheels; cycle - a sequence that is repeated; cyclone - a storm with circling winds

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de-reduce, away, down, remove; decelerate - to slow down, reduce speed; dethrone - to remove from power; debug - to remove bugs

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