柯林斯词典nautical mile (nautical miles) 1. N-COUNT A nautical mile is a unit of measurement used at sea. It is equal to 1,852 metres (about 6,076 feet). 海裡 返回 nautical mile剑桥词典a unit of distance used at sea that is equal to 1,852 metres 海裡（郃1852米） 比較mile 返回 nautical mile