Commuters hurried along the sidewalk toward the entrance, passing a war-zone-like vision of a guard hunkered behind a sandbag bunker, his gun pointing outward.
人们朝着入口沿着人行道快速通过，像是在战区有守在沙袋后的卫兵盯着他们一样。
2
Zone: a defensive tactic in which players guard areas of the court, rather than specific men.
区域联防(zone)：球员防守球场的区域，这种防守战术指的不是具体人。
3
The guard rail plays an im po rtant role of ensuring the vehicle passing through the turnout zone successfully .