barricade[bæriˈkeid]n. 路障，挡墙 v. 设路障于，阻碍
‖ barrier[ˈbæriə]n.障碍物，障碍，栅栏，屏障，隔阂，海关关卡，壁垒
barrier air patrol边境空中巡逻
barrier method 阻隔避孕法
barrier of speech 语言隔阂
barrier of tariff 关税壁垒
barrier strip 阻挡带
barrier to entry市场进入壁垒 barrier to trade 贸易壁垒
language barrier 语言隔阂 |