sea·board /ˈsiˌbord, ˌbɔrd/
  海岸,沿海地帶(a.)海邊的
  Sea·board, a. Bordering upon, or being near, the sea; seaside; seacoast; as, a seaboard town.
  Sea·board n.  The seashore; seacoast.
  Sea·board, adv. Toward the sea. [R.]
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  seaboard
       n : the shore of a sea or ocean regarded as a resort [syn: seaside]