seal off

封闭, 封锁

例句与用法：

Putting the seal of approval on the scheme fell outside his province.

对这个计划拍板定案超出他的职权范围。

The deal needs the government's seal of approval.

这一交易需经政府批准。

词形变化：

形容词: sealable | 动词过去式: sealed | 动词过去分词: sealed | 动词现在分词: sealing | 动词第三人称单数: seals |

详细释义：

封锁

Police sealed the area off where the murderer was known to be hiding.

警察把凶手藏匿的地区封锁了。