1. China has a very long coastline.
   中国有漫长的海岸线。
2. The coastline is rugged.
   这条海岸线崎岖不平。
3. The ship clung to the coastline.
   船紧靠著海岸线
4. The coastline in this area is quite irregular.
   这个地区的海岸线非常不整齐。
5. The coastline stretches as far as the eye can reach.
   海岸线一望无际。

　1个名词解释