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。
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。
Suppose that you are standing on a flat piece of open land, on which there is a house some distance away.
假设你站在一块开阔的平地上，不远处有一幢房屋。
In April of this year, a dust storm that originated in China and Mongolia took a six-day journey across more than ten thousand kilometers of sea and open land to Arizona in the United States.
今年四月，源自中国大陆及蒙古内陆的沙尘暴，在六天中跨越了一万多公里的海洋与空旷陆地，最后到达美国亚利桑那州。
Beside the pond is a piece of open land with various kinds of small wild flowers growing on it.
池塘的旁边是一片开阔地，长满了各种小野花。
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。
The large tracts of open land on the other bank of Ju River is said to be where the tribes led by the Yellow Emperor lived. Now it is the county seat of Huangling.
沮水对岸的开阔地，传说就是当年黄帝部落的聚居地，现在是黄陵县的县城。
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。
Under a certain water and nitrate treatments, soil nitrate in open-land vegetable field would move down below 180cm soil.
一定水氮供应条件下，露地生产蔬菜地土壤硝态氮有可能淋洗到1.8米土体以下。
Under a certain water and nitrate treatments, soil nitrate in open-land vegetable field would move down below 180cm soil.
一定水氮供应条件下，露地生产蔬菜地土壤硝态氮有可能淋洗到1.8米土体以下。
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