科研之友
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<正>1 We often read stories and see videos of people raising abandoned wildlife as pets, such as squirrels and raccoons(浣熊). But have you ever seen a domesticated(驯化的) bear that lives with a human family? Now you have.2Twenty-four years ago, some hunters in Russia stumbled upon a 3-month-old bear cub that had been abandoned by his mother. The bear was in terrible condition,
