am·phib·i·ous /æmˈfɪbiəs/
 (a.)水陸兩棲,兩用的,陸海空軍協同作戰的


 Am·phib·i·ous a.
 1. Having the ability to live both on land and in water, as frogs, crocodiles, beavers, and some plants.
 2. Pertaining to, adapted for, or connected with, both land and water.
    The amphibious character of the Greeks was already determined: they were to be lords of land and sea.   --Hare.
 3. Of a mixed nature; partaking of two natures.
    Not in free and common socage, but in this amphibious subordinate class of villein socage.   --Blackstone.

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 amphibious
      adj 1: relating to or characteristic of animals of the class
             Amphibia [syn: amphibian]
      2: operating or living on land and in water; "amphibious
         vehicles"; "amphibious operations"; "amphibious troops";
         "frogs are amphibious animals" [ant: aquatic, terrestrial]