turnstile
noun [ C ] uk/ˈtɜːn.staɪl/ us/ˈtɝːn.staɪl/
（尤指需付费通过的）旋转栅门
a device that controls the way into or out of a building, room, or area of land, especially one that you have to pay to enter. It is a post with a number of short poles sticking out from it that have to be pushed round as each person walks through the entrance
The number of spectators going through the turnstiles is up from last season. 入场观众比上个赛季增多了。