短語詞組短語CIRCUM around 環(huán)繞Thigh Circum 腿圍geographic circum 地理環(huán)境信息circum m 前綴環(huán)行EMPIRE CIRCUM 腰線長circum circle 外接圓法circum navigable 周圍可通航的circum pacific 環(huán)太平洋的 返回 circum