Another Rosebud project is an environmental study; the American burying beetle is of special concern.

罗思·巴德的另一个项目是一份环境调查，特别关注了美国的埋葬甲虫。

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Another Rosebud project is an environmental study; the American burying beetle is of special concern.

罗思·巴德的另一个项目是一份环境调查，特别关注了美国的埋葬甲虫。

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