coastline/ˈkoʊst.laɪn/名词(尤指从空中、海上或地图上看到的)海岸线From the air, the coastline of California looks breathtaking with its rugged cliffs, sandy beaches, and picturesque coves.从空中看,加利福尼亚的海岸线令人叹为观止,有崎岖的悬崖、沙滩和风景如画的小海湾。想跟读,去练习