B1 the land next to or close to the sea海岸；沿海地区
from one side of the country to the other从（一国的）此岸到彼岸
mainly US in every part of a country全国各地
We drove down to the windswept Atlantic coast of Portugal.
This particular stretch of coast is especially popular with walkers.
The boat sailed down the coast.
The ship lies off the coast of Spain.
Thousands of day trippers flock to resorts on the south coast.
to move forward in a vehicle without using the engine, usually down a hill（通常指下山时凭借惯性）滑行，下滑
to progress or succeed without any effort or difficulty毫不费力取得进展；轻而易举取得胜利