barrier

barrier
noun
  1. a fence or other obstacle that prevents movement or access
    屏障;障碍物
    ■(Brit.)a gate at a car park or railway station that controls access by being raised or lowered
    (英)(车库门口或火车站口控制进入的)升降栏
    ■(figurative)a circumstance or obstacle that keeps people or things apart or prevents communication or progress
    (喻)障碍;隔阂
    a language barrier.
    语言障碍。
    the cultural barriers to economic growth.
    妨碍经济发展的文化隔阂。
    an attempt to break the 100-mile-an-hour barrier.
    试图突破每小时100英里的障碍。
语源
  1. late Middle English (denoting a palisade or fortification defending an entrance): from Old French barriere, of unknown origin; related to barre
英语宝典
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