circum-pref.（前缀）Around; about:环绕：围绕…的；在…周围：例句：circumlunar.绕月球的来源：Latin 拉丁语 from circum [around] [accusative of] circus [circle] * see circle 源自 circum [围绕…的] [] circus的宾格 [圆] *参见 circle
