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来源:雅诚德英语网
At first, they controlled the movement of the herd while ensuring continuance of their meat diet.
起初,他们控制了兽群的迁移以确保获得稳定的肉食来源。
At first, they controlled the movement of the herd while ensuring continuance of their meat diet.
起初,他们控制了兽群的迁移以确保获得稳定的肉食来源。