arena

a playing field where sports nts take place

举行体育活动的场地

scene of action

a large structure for open-air sports or entertainments

露天运动或的大型建筑物

stadium

bowl

sports stadium

the central area of an ancient Roman amphitheater where contests and spectacles were held

竞技场古罗马圆形剧场的中心区域，在那里举行竞赛和表演

especially an area that was strewn with sand

尤其是一个布满沙子的地区

a particular environment or walk of life

特殊的环境或生活方式

his social sphere is limited

他的社交范围有限

it was a closed area of employment

那是一个封闭的工作区

he’s out of my orbit

他不在我的轨道上

sphere

domain

area

orbit

field