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it is normal for parrots to talk, Einstein, a small bird, is unusual in that whenever she hears a ne
题目简介
it is normal for parrots to talk, Einstein, a small bird, is unusual in that whenever she hears a ne
题目详情
it is normal for parrots to talk, Einstein, a small bird, is unusual in that whenever she hears a new word or sound, she repeats it over and over until she masters it.
题目简介
it is normal for parrots to talk, Einstein, a small bird, is unusual in that whenever she hears a ne
题目详情
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