That too was blamed on methane, which had accumulated in sealed-off areas of the mine.

该爆炸也是由矿井密封区中不断积累的甲烷引起的。

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Large quantities of radioactive material leaked into the surrounding area following the disaster and much of the countryside around the plant is sealed-off.

灾难发生后大量放射性物质泄漏到周边区域，核电站周围很多农村被封闭起来。

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They step through the hole in the wall, exploring what used to be a sealed-off storage room.

他们跨过墙洞，在这个曾被封闭的储藏室中搜寻。

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In order to determine the location of the leak, the crew had been sealing off small peripheral modules of the space station while Mission Control looked for accelerated pressure drops inside the sealed-off sections.

MSN: Crew finds ��culprit�� in space station leak

The election will take place in a sealed-off area of the Vatican, well away from prying eyes, and will continue in conditions of the strictest secrecy until a new pope emerges, however long that takes.

BBC: Analysis: Choosing the next pope

It transpires that Bridges' Flynn hasn't been doing much for 20 years but sitting around -- the portal that would allow him to leave has been sealed off -- and his fascist nemesis, returning from the first film, is once again Clu, now played by a digitized version of the young Bridges.

CNN: 'TRON: Legacy' makes novelty look cool