coastline [ˈkoʊstlaɪn]

例句:

• Dangerous undertows make swimming unsafe along most of the coastline.
  由于存在着危险的下层逆流，在大部分海岸线附近游泳都不安全。
  
• It has a long coastline on the Indian Ocean.
  来自BBC
• This is some of the most exposed coastline in the world.
  这里的海岸线属于世界上最无遮蔽的一段了。
  
• The oil washed ashore on roughly 1,000 miles of coastline.
  石油沿着海岸线扩散到了大约1,000英里范围的沿岸海域。
  
• Mangrove forests line much of Sierra Leone's coastline.
  来自VOA
• The coastline moves backwards as the sea wears it away.
  来自BBC