trans·con·ti·nen·tal /ˌtræn(t)sˌkɑntṇˈɛntḷ, ˌtrænz-/
  (a.)橫貫大陸的,大陸那邊的
  Trans·con·ti·nen·tal a.  Extending or going across a continent; as, a transcontinental railroad or journey.
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  transcontinental
       adj : spanning or crossing or on the farther side of a continent;
             "transcontinental railway"; "transcontinental
             travelers"; "a transcontinental city"