米切尔拥有麻省理工学院的航空和航天博士学位，他说我们需要撤离地球去寻找新的家园只是时间的问题。
Mitchell, who has a PhD in aeronautics and astronautics from the Massachusetts Institute of Technology, said it's only a matter of time before we need to evacuate Earth and seek a new home.
请暂停一下您的数独游戏，仔细听好：如果我们需要撤离机舱的话，事前知道紧急出口的位置将极大地增加您逃生的机会。
So stop your sudoku for a minute and listen: knowing in advance where the exits are makes a dramatic difference to your chances of survival if we have to evacuate the aircraft.
我们每个小时能撤离120名游客；现在我们唯一需要的就是气候状况能帮点忙。
We can evacuate 120 tourists per hour; now the only thing we need is for the climate to help us out a little bit.
我们必须随时掌握天气状况，以判断在飓风临境的情况下是否需要撤离避难。
We must keep abreast of the weather in order to know whether to evacuate in BECause of the hurricane.
我们不需要武器，我们要撤离！
我们不需要武器，我们要撤离！
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