柯林斯词典sandbar /ˈsændbɑː/ (sandbars) 1. N-COUNT A sandbar is a sandbank which is found especially at the mouth of a river or harbour. (河口或港湾的)沙洲 返回 sandbar剑桥词典a long raised area of sand below the surface of the water , especially where a river enters the sea , usually formed by moving currents （尤指河口的）沙洲，沙堤 返回 sandbar