柯林斯詞典lagoon /l??ɡu?n/ (lagoons) 1. N-COUNT A lagoon is an area of calm sea water that is separated from the ocean by a line of rock or sand. 環(huán)礁湖 返回 lagoon劍橋詞典an area of sea water separated from the sea by a reef (= a line of rocks and sand ) 瀉湖，瀕海湖，環(huán)礁湖 a tropical lagoon 熱帶環(huán)礁湖 返回 lagoon