seal

[si:l]

释义

v. 密封
to close by any form of fastening that must be broken before access can be gained.

例句
Jon:We should seal the tunnel.
Plug it with rocks and ice.
Flood it and let it freeze.(Game of Thrones)
琼恩：我们应该封锁隧道，用石头和冰块堵上灌上水冰冻起来。（权力的游戏）