warfare

n.作战；交战

war-dance, war-game, war-horse, war-lord, war-paint, war-path, war-torn, warble, warbler, ward, ward off, warden, warder, wardrobe, wardrobe master, `wardrobe mistress, wardroom, ware, warehouse, warehousing, wares, warhead, warily, wariness, warlike, warm, warm up, warm-blooded, warm-hearted, warm-heartedness, warmly, warmonger, warmth, warn, warn sb. of, warning, warp, warrant, warrant-officer, warranted, warrantee,