柯林斯词典expanse /ɪkˈspæns/ (expanses) 1. N-COUNT An expanse of something, usually sea, sky, or land, is a very large amount of it. 一大片 (海洋、天空、土地等) ...a vast expanse of grassland. …一大片草地。 返回 expanse剑桥词典a large , open area of land , water , or sky （陆地、水面或天空的）广阔区域 The Great Plains are a broad expanse of grassland . 北美大平原是一片广袤的草地。 vast expanses of sand and pine 沙地和松林相间的管阔区域 返回 expanse