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1·During previous interglacial periods, when glaciers retreated, they left behind open land in their wakes.

在以往的间冰期中，当冰川消退时，它们在尾迹中留下了开阔的土地。

2·Wind farms, which generate electricity using arrays of thousands of wind-powered turbines, require vast expanses of open land.

风力发电场使用数千个风力涡轮机阵列发电，这需要大片开阔的土地。

3·Fearless of ever finding open land.

不惧怕会遇见空旷的土地。

4·Open land where fairs or exhibitions are held.

他们还举办展览会或放映电影。

5·Loss of soil can also take place on flat, open land.

水土流失也能发生在平坦开阔的地带。

6·The trees and bushes protect the open land from the winds.

树木和高大的灌木丛保护着平地不受大风影响。

7·Heavy rain can quickly wash away the rich top soil on flat, open land.

飘泼大雨能很快地冲走那里的平坦开阔的表层土壤。

8·But it's becoming more and more difficult to have open land, clear water and open air.

可是要保持空旷的土地、干净的河水和开阔的天空却越来越难了。

9·A broad area of open land, often high but poorly drained, with patches of heath and peat bogs.

沼泽一片大面积的开阔地，通常很高但排水不好，有成片的荒野和泥炭田。

10·A broad area of open land, often high but poorly drained, with patches of heath and peat bogs.

沼泽：一片大面积的开阔地，通常很高但排水不好，有成片的荒野和泥炭田。