n. 封锁( blockade的名词复数 ); 障碍物, 阻碍物
v. 实行封锁( blockade的第三人称单数 ); 阻塞, 挡住
英文释义
n a war measure that isolates some area of importance to the enemy
n prevents access or progress
v hinder or prevent the progress or accomplishment of
v render unsuitable for passage
v obstruct access to
v impose a blockade on