With hoes and axes, they crafted flat, wide terraces and a simple water-management system that would keep valuable topsoil in place.
手拿锄头和斧子，他们精心的建造出自己的平地，梯田，和简单的水处理系统，这样可以保持住最肥沃的表层土不要流失。
With hoes and axes, they crafted flat, wide terraces and a simple water-management system that would keep valuable topsoil in place.
手拿锄头和斧子，他们精心的建造出自己的平地，梯田，和简单的水处理系统，这样可以保持住最肥沃的表层土不要流失。
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