able to live both on land and in water （生物）水陸兩栖的 (of military operations 軍事行動 involving soldiers landing at a place from the sea 兩栖作戰的；登陸的 an amphibious raid/assault 兩栖突襲/攻擊
suitable for use on land or water 水陸兩用的 amphibious vehicles 水陸兩用車輛
Word Originmid 17th cent.: from modern Latin amphibium, from Greek amphibion (noun use of amphibios ‘living both in water and on land’, from amphi ‘both’ + bios ‘life’) + -ous.