They should also have a clear idea of how best to descend the towering inferno should such an emergency arise.

如果发生这样的紧急情况，他们也应该清楚地知道逃出这一高耸的地狱的最佳之道。

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They should also have a clear idea of how best to descend the towering inferno should such an emergency arise.

如果发生这样的紧急情况，他们也应该清楚地知道逃出这一高耸的地狱的最佳之道。

youdao