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最佳答案：this bird flies higher than the other one
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最佳答案：catch the bird on the tree
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最佳答案：There isn't any bird there.十分确定如此表达希望回答对你有用
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最佳答案：a bird flies backwarda bird flying backward
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最佳答案：bird-watcher因为观鸟的英文是bird-watching，改为-er后缀表示一类人。如有用请采纳。
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最佳答案：There is a bird on the house.
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最佳答案：There are three thousand three hundred and thirty three feathers on the neck of
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最佳答案：He was very interested in bird watching and wanted to become a member of the Bir
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最佳答案：1 The joy of the ocean2in