| 1. | How did the wild song sparrows gain this knowledge ?
野外歌雀是如何获得这种能力的？
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| 2. | We repeated this experiment in a number of song sparrow territories .
我们在一些北美歌雀的领地重复了这种实验。
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| 3. | On this site i learned all about the song sparrow and its interesting habits
在那网址我看见会唱歌的麻雀，那种麻雀有个很有趣的习惯。
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| 4. | On the 13th of march ， after i had heard the bluebird ， song sparrow ， and red - wing ， the ice was still nearly a foot thick
三月十三日，我已经听到青鸟、篱雀和红翼鸫，冰那时却还有一英尺厚。
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| 5. | As i read the material , it reminded me a lot of the way we humans act . when the song sparrows build their nests , the female does most of the work
它提醒我很多人会做的事，这些麻雀出去筑巢时，雌性都会做所有的工作，她会负责筑巢，
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