n. a war measure that isolates some area of importance to the enemy
n. prevents access or progress
v. obstruct access to
v. impose a blockade on
n. 阻塞
vt. 封锁
1. The navy decided to enforce a blockade around the enemy's port.
海军决定在敌人的港口周围实施封锁。
2. A blockade can prevent supplies from reaching the city.
封锁可以阻止物资到达城市。
3. The country imposed a blockade to pressure the opposing government.
该国实行封锁以向对立政府施加压力。