Arena的结果
Arena
(n.)
The area in the central part of an amphitheater, in which the gladiators fought and other shows were exhibited; -- so called because it was covered with sand.
Arena
(n.)
Any place of public contest or exertion; any sphere of action; as, the arenaof debate; the arena of life.
Arena
(n.)
"Sand" or "gravel" in the kidneys.