coastline

Từ điển Oxford Advanced Learner 8th

coast·line [coastline coastlines] BrE [ˈkəʊstlaɪn] NAmE [ˈkoʊstlaɪn] noun
the land along a coast, especially when you are thinking of its shape or appearance
•a rugged/rocky/beautiful coastline
•to protect the coastline from oil spillage

Synonyms:
coast
beach • seaside • coastline • sand • seashore
These are all words for the land beside or near to the sea, a river or a lake.
coast • the land beside or near to the sea or ocean: ▪ a town on the south coast of England ◇ ▪ The coast road is closed due to bad weather.
It is nearly always the coast, except when it is uncountable: ▪ That's a pretty stretch of coast.
beach • an area of sand, or small stones, beside the sea or a lake: ▪ She took the kids to the beach for the day. ◇ ▪ sandy beaches
seaside • (especially BrE) an area that is by the sea, especially one where people go for a day or a holiday: ▪ a trip to the seaside
It is always the seaside, except when it is used before a noun: ▪ a seaside resort. The seaside is British English; in American English seaside is only used before a noun.
coastline • the land along a coast, especially when you are thinking of its shape or appearance: ▪ California's rugged coastline
sand • a large area of sand on a beach: ▪ We went for a walk along the sand. ◇ ▪ a resort with miles of golden sands
the seashore • the land along the edge of the sea or ocean, usually where there is sand and rocks: ▪ He liked to look for shells on the seashore.
beach or seashore?
Beach is usually used to talk about a sandy area next to the sea where people lie in the sun or play, for example when they are on holiday/vacation. Seashore is used more to talk about the area by the sea in terms of things such as waves, sea shells, rocks, etc, especially where people walk for pleasure.
along the coast/beach/coastline/seashore
on the coast/beach/coastline/sands/seashore
at the coast/beach/seaside/seashore
by the coast/seaside/seashore
a(n) rocky/unspoiled coast/beach/coastline
to go to the coast/beach/seaside/seashore

Example Bank:
•The coastline stretches for miles.
•The road follows the Pacific coastline.
•They fish off the Wanganui coastline.
•They sailed along the rugged coastline.
•They're sailing around the Atlantic coastline of Florida
•long stretches of unspoilt coastline
•the search for oil off the Welsh coastline
•Measures were taken to protect the coastline from oil spillage.
•The highway gives stunning views of California's rugged coastline.