在极端密集的人群中，有很多推搡和拥挤，人们的行动不是完全根据自己的控制的。
In extremely dense crowds, there is so much shoving and jostling that people's movements are no longer entirely under their own control.
科罗拉多大学的鲍尔奇教授说，与此同时，人们一直把火当作一个需要完全控制且只有在必要的情况下才会让其释放的事件。
At the same time, people continue to treat fire as an event that needs to be wholly controlled and unleashed only out of necessity, says Professor Balch at the University of Colorado.
消防队员们希望他们能够在起风前对大火做到完全控制。
Fire crews are hoping they can achieve full containment of the fire before the winds pick up.
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