He was hurt when his ankle buckled late in a scrimmage friday .
他的脚是在上周五的一次争球中扭伤的。
Official in charge of checking player equipment and signaling infractions near the line of scrimmage .
官员负责检查球员设备和发信号违背在争球线附近。
Institutions or the pattern of small-scale scrimmage , but last week began to do more unified .
机构或小规模混战模式，但上周开始做更多的统一。
The position of the player on the line of scrimmage who puts the ball in play .
在争球线上控球的队员的位置。
Rather than american football , where both teams line up on opposite sides of the scrimmage line , politely waiting for the hike , future warfare will be a soccer game -- continuous motion with forces intermixed .
