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来源:雅诚德英语网
This was an important discovery, because by learning to cultivate the land, and care for animals, mankind would always have food steadily.
这是一项重要的发现,因为通过学习耕作土地,饲养动物,就可以有稳定的食物来源。
This was an important discovery, because by learning to cultivate the land, and care for animals, mankind would always have food steadily.
这是一项重要的发现,因为通过学习耕作土地,饲养动物,就可以有稳定的食物来源。