不要把所有的罐装食品都吃完，存些以备急用。
Don't eat all the tinned food, set something aside for a possible emergency.
他们只有足够两天的食品了，如果天气不好转的话，他们将只得动用备急用的军用干粮了。
They had sufficient food for only two more days and if the weather didn't improve they would have to draw upon their emergency rations.
他们只有足够两天的食品了，如果天气不好转的话，他们将只得动用备急用的军用干粮了。
They had sufficient food for only two more days and if the weather didn't improve they would have to draw upon their emergency rations.
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