arena

n.

表演场地，舞台；竞技场；活动或斗争的场所或场面；古罗马圆形剧场中央的竞技场

复数：arenas

1. The Roman arena was very famous.
   罗马竞技场是很出名的。
2. The arena was crowded with thousands of spectators.
   竞技场中挤满了数千名观众。

Simulation with Arena
Simulation with Arena
Shaping the Political Arena
THE ORGANIZATION AS POLITICAL ARENA
Shaping the political arena : critical junctures, the labor movement, and regime dynamics in Latin America
Heparan sulfate proteoglycans: heavy hitters in the angiogenesis arena
Shaping the Political Arena: Critical Junctures, the Labor Movement, and Regime Dynamics in Latin America by Ruth Berins Collier; D...
Naturally-occurring CD4+CD25+ immunoregulatory T cells: central players in the arena of peripheral tolerance.
Naturally-occurring CD4+CD25+ immunoregulatory T cells: central players in the arena of peripheral tolerance.
Indications of photochemical histories of Pacific air masses from measurements of atmospheric trace species at Point Arena, California