육교陸橋 overpass 육지陸地 land 내륙內陸 inland 대륙大陸 continent 대륙성大陸性 continentality; continental characteristics 상륙上陸 landing 수륙水陸 land and sea 신대륙新大陸 New World 육군陸軍 army 육로陸路 land route; overland route 육상陸上 overland 육해공군陸海空軍 army, navy, and air force 이륙離陸 takeoff; taking off 이착륙離着陸 take-off and landing 착륙着陸 landing