一路上，我们破坏了大多数我们曾经耕作过的的土地，经常把翠绿的自然生态区变成了半干旱的沙漠。
Along the way, we despoiled most of the land we worked, often turning verdant, natural ecozones into semi-arid deserts.
译文再继续扩大耕作面积的话就会对全球生态系统产生影响。
A further expansion of farming area will adversely impact on the world's natural ecosystems.
其中，侧重联系生态环境的影响，考察小麦的品种分布、耕作栽培措施等内容。
Among them, the article stresses the influence of ecological environment to investigate the variety distribution of wheat and its cultivation measures, and so on.
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