arenas 基本解释
n.表演场地( arena的名词复数 )；竞技场；活动或斗争的场所或场面；圆形运动场

Fights often break out in ice-hockey arenas .
在冰球的竞技场上，经常会发生打斗。
Of course , the auto industry has been among the more globally competitive arenas .
显然，汽车工业也是全球化竞争的竞技场之一。
Ohio has granted people with permits the right to bring concealed weapons into restaurants , bars , and sports arenas .
俄亥俄州准许有持枪许证的公民隐形携带武器进入餐馆，酒吧和运动竞技场。
Using existing arenas such as lord 's cricket ground ( for archery ) and wimbledon ( for tennis ) was supposed to reduce the bill for the london games .
人们期望使用现有的竞技场如英国板球总部板球场（用于剑术项目）和温布尔登网球场（用于网球项目）能减少伦敦奥运会的开支。