冰有助于保存食物。
Summer is difficult to preserve food.
夏天是很难保存食物的。
Chinese people know very well how to preserve food.
中国人深明保存食物之道。
So they used salt to preserve food and explored the world.
所以他们使用盐来保存食物和探索世界。
The ship is equipped with special refrigerating devices to preserve food.
船上有特设的冷藏设备，用来保存食物。
In hot weather it is rather difficult to preserve food and keep it fresh and safe to eat.
热天很难保藏食品，使之保持新鲜与食用安全。
You buy the food you want to consume it and you preserve it.
你购买食物你想要消费它、你想保存它。
What are the most suitable method to preserve the food?
哪项是最适合用来保存这些食物的方法？
The important part is how to preserve the food under any conditions.
最重要的是如何在任何条件下，都可以保存食物。
The important part is how to preserve the food under any conditions.
重要的是如何在任何条件下使食物保鲜。
Maybe there will be ways to preserve our food so that bread never goes stale.
也许，会有防止我们的食物变质的办法来使面包保持原味。
Maybe there will be ways to preserve our food so that bread never goes stale.
也许，会有防止我们的食物变质的办法来使面包保持原味。
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