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冬季是食物奇缺的时候,而小鸟又是些食量很大,而且很容易饥饿的家伙。所以在适当的场合提供它们必要的食物和水,是帮助它们度过严冬的有力措施。
Winter is a time when food is scarce. Birds, on the other hand, are a lot of people who eat very easily and are very hungry. So providing them with the necessary food and water on appropriate occasions is a powerful measure to help them survive the harsh winter.