柯林斯词典fourfold /ˈfɔːˌfəʊld/ 1. ADJ equal to or having four times as many or as much 四倍的2. ADV by or up to four times as many or as much 四倍地 返回 fourfold剑桥词典four times as big or as much 四倍的 a fourfold increase 四倍的增加 having four parts 由四部分组成的 a fourfold division 分成四份 返回 fourfold