n.

1. 封鎖；道路阻塞
   A blockade of all the harbors of that country would require thousands of war-ships.

   封鎖那個國家的所有港口需要成千上萬艘戰艦。

2. 障礙物，阻礙物[（+to）]

vt.

1. 封鎖
   The ships blockaded the port.

   軍艦封鎖了那個港市。

2. 阻塞；擋住
   The river blockaded the spread of the forest fire.

   那條河阻止了森林大火的蔓延。

n.

1. an act of sealing off a place to prevent goods or people from entering or leaving.
2. an obstruction of a biochemical or other physiological function.

v.