水也不行吗?
No other liquid or food, not even water, is needed during this period.
他们在此期间不需要任何其它液体或食物,甚至不需要水。
If an earthquake, hurricane or other disaster strikes your community, you might not have access to food, water, and electricity for days or even weeks.
如果地震、飓风或其他的灾害突袭你的家园,你可能会好几天甚至好几个星期都无法获得食物、水和电。
Even better,doctors say, drink about two liters of water a day so problems with dehydration will not have a chance to develop.
VOA: special.2010.07.27
Yeah. Suppose I choose it right down there I guess 0. Well, the tangent there will not even have an x intercept. So I'm really going to be dead in the water.
好,如果我选猜想数为0,好吧,这个点的切线甚至和x轴都没交点,所以在这儿这一原则,真的不起作用了。
Even better, doctors say, drink about two liters of water a day so problems with dehydration will not have a chance to develop.
VOA: special.2011.08.09
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