arena基本解释
n.竞技场
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第三人称复数：arenas
noun
1. a playing field where sports events take place
Synonym: scene of action
2. a large structure for open-air sports or entertainments
Synonym: stadiumbowlsports stadium
3. the central area of an ancient Roman amphitheater where contests and spectacles were held
especially an area that was strewn with sand
4. a particular environment or walk of life
e.g. his social sphere is limited
it was a closed area of employment
he's out of my orbit
Synonym: spheredomainareaorbitfield
1. 运动场；竞技场；体育场
An arena is a place where sports, entertainments, and other public events take place. It has seats around it where people sit and watch.
e.g. ...the largest indoor sports arena in the world.
世界上最大的室内体育场
2. 活动领域;舞台
You can refer to a field of activity, especially one where there is a lot of conflict or action, as an arena of a particular kind.
e.g. He made it clear he had no intention of withdrawing from the political arena...
他清楚地表明他无意退出政治舞台。
e.g. Oil speculation proved a natural arena for his skills.
在石油业中进行投机活动对他来说游刃有余。
1. 赛场：在这样的大环境前提下,一个国家在国际舞台上软实力的强弱,不取决于它在国内的操纵模式和工作经验,而是取决于它如何在一个开放、透明、多元、充满竞争的世界赛场(arena)上,拿出什么样的实质内容,以及用什么样的方式来推广这些实质的内容在这样的大环境前提下,
Howe seldom entered the arena of controversy.
出自：H. RogersEconomic society was an arena in which men met to compete.
出自：J. K. GalbraithA landscape without theatricals except when it became an arena for summer storms.
出自：N. Gordimer
