n.障碍；屏障；栅栏；分界线vt.把…关入栅栏；用栅栏围住； 变形： 复数：barriers 双语释义：n.(名词)[C]屏障；障碍物 an object like a fence that prevents people from moving forward from one place to another[C]障碍；阻力；关卡 a problem, rule or situation that prevents sb from doing sth, or that makes sth imposs