1. of or relating to a coast;

   "coastal erosion"
   

2. located on or near or bordering on a coast;

   "coastal marshes"
   "coastal waters"
   "the Atlantic coastal plain"
   

1.近海的;沿海的
coastal is used to refer to things that are in the sea or on the land near a coast.

e.g. Local radio stations servingcoastal areas often broadcast forecasts for yachtsmen...
服务沿海地区的地方广播电台经常为驾驶游艇出海的人播报天气预报。
e.g. The fish are on sale from our owncoastal waters.
出售的鱼来自我们自己的近海水域。

1. 海岸：急于让利文驶入星途快道的凯安排他参与本公司客户海岸(coastal)公司收购经营天然气管道的美国自然资源公司(简称ANR公司)的计划. 在这起拟议收购案中,德莱克赛尔.伯恩汉姆.兰伯特公司担任海岸公司的代理,

2. 沿岸：二十世纪六十年代,...沿岸(coastal)、山谷区(valleys)和外洛杉矶(Beyond Los Angeles)六大板块组成. 洛杉矶的精华基本上都在西部:...

3.

3. 沿海的：coastal 沿海的 | Abidjan 阿比让(科特迪瓦首都) | riot 骚动,暴乱