高层建筑火灾中，烟气是阻碍人们逃生和灭火行动，导致人员死亡的主要原因之一。

In the high-rise building fire, the smoke is one of the main reasons to impede escape and fire-fighting operations, resulting in the death.

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现场除了有大量燃料——有人估计达195吨，还有成吨的铅和沙子等材料。 在当年急迫的灭火行动中，直升机将它们投到了那里。

There is a lot of fuel — 195 tons, by one estimate — along with tons of lead, sand and other materials that were dropped on the reactor by helicopter in a desperate effort to extinguish the fire.

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上海居民吴东阳想知道: "如果对一栋着火的28层建筑开展的灭火行动都如此地力不从心，更高层的建筑着火了会是怎么一回事?"

Shanghai resident Wu Dongyang wonders: "If it can be so bad fighting fire in a 28-story building, what more if it breaks out in higher buildings?"

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