[ kāikěn ] open up wasteland for farming; reclamation; reclaim wasteland; bring under cultivation; break ground; cultivate 短语和例子 他们开垦了大片荒地。 they opened up large tracts of wasteland. 我们计划把所有的山坡都开垦出来。 we plan to bring all these mountain slopes under cultivation.; 开垦地 clearage; taimgya; 开垦沟地 reclaimming of gullies; 开垦荒地 reclaim; land reclamation
Land-hungry peasants push up the hillsides . 缺少土地的农民开垦坡地。
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Thickly forested land had to be cleared . 浓密的森林地面必须开垦出来。
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They opened up large tracts of wasteland . 他们开垦了大片荒地。
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The world had vast uncultivated land areas . 世界上还有广阔的未开垦的陆地。
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This implied extending cultivation to less fertile land . 这就暗示人们要开垦比较贫瘠的土地。
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Man has greatly accelerated these changes since he began cultivating the soil . 自开垦土壤以来，人类大大加速了这些变化。
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In the wake of the removal of this forest for cultivation is a desolate, bare, and rocky eroded land . 开垦土地而砍伐森林所留下的迹象是一片荒芜，裸露和岩石被侵蚀的土地。
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Rights to land were linked to a household's ability to settle, cultivate, and meet the tax obligations on the land . 土地权与一个国家的开垦、耕种能力相联系，并与土地的纳税义务相适应。
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West of the mississippi river alone, about 18 million hectares, once thought useless, have been reclaimed through irrigation projects . 单是密西西比河以西就有一千八百万公顷一度被视为无用的土地，通过灌溉工程现已得到开垦。
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There is a very high degree of mechanization in farming 农业开垦已高度机械化。
