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		chon·dro·cra·ni·um AHD[kŏn'drō-krāʹnē-əm] D.J.[ˌkɒndrəʊˈkreɪniːəm]K.K.[ˌkɑndroˈkreniəm]n.(名词)【复数】  chon.dro.cra.ni.ums 或 chon.dro.cra.ni.a [-nē-ə]  - The cartilaginous cranium of an embryo before ossification.软骨颅:胚胎在骨化作用之前的软骨性头颅
 
 - A portion of the embryonic cranium forming the bones of the base of the skull and eventually undergoing ossification.软骨颅:胚胎的头颅中形成颅骨基部骨头并最终被骨化的部分
 
 
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