cosmos [GK] = world 世界；universe 宇宙 

cosmopolis n. 国际都市[polis = city] 

cosmopolitan n. 世界主义者 [politan = citizen]

cosmonaut n. 宇航员 [naut = sailor] 

cosmology n. 宇宙论 [logy = the science of]

cruci- [L] = cross 十字形

cruciferous a. 饰有十字架的 [ferous = bearing]

cruciform a. 十字形的 [form = having the form of] 

crucifix n. 耶稣钉在十字架上的图像 [fix=to fasten]

cryo- [GK] = cold，low temperature 低温的 

cryobiology n. 低温生物学 

cryosurgery n. [医]冷冻手术

cryometer n. 低温计 [meter = a measuring device]

crypto- [GK] = hidden 隐密的

cryptogram n. 密码,暗号 [gram = sth. written] 

cryptology n. 隐语；密码术 [logy= the science of] 

cryptonym n. 匿名 [onym = name] 

cryptoclimate n. [气象]房屋小气候

cyber- [GK] = computer 电脑

cybernation n. 电脑化，自动控制

cybernetice n. 控制论

cyberculture n. 电脑化社会；电脑化文明

cyclo- [GK] = circle 圆环

cyclograph n. 圆弧规[graph = sth. that writes]

cyclometer n. 车轮转数计 [merer = a measuring device] 

cyclostome n. 圆口类脊椎动物[stom = mouth] 

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