- 这个信封封得很严实。
The envelope was firmly sealed.
- 警方把建筑物的所有出口都封锁住了。
Police sealed off all the exits from the building.
- 瓶子的封记已经腐烂。
The seal on the bottle has perished.
- 窗户四周泥的油灰密封效果很好。
The putty gives a good seal round the window.
- 这些放射性废物应该放在密封的箱子里深埋在地下。
The radioactive waste should be buried deeply under the ground in sealed box.
- 这个瓶上的密封纸破开了。
The seal on this bottle is broken.
- 这封信有国王的封印。
The letter bears the seal of the king.
- 盛有核废料的密封容器被丢在海里。
Sealed containers of nuclear waste have been dumped in the sea.