shifting sand
流沙
常用释义
英式发音
美式发音
基本释义
- 流动沙丘：指由于风力或水流等因素而不断移动的沙丘。
例句
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1·Dependence on long-distance trade also meant that the great empires of the Middle East were built both literally and figuratively on shifting sand.对长途贸易的依赖也意味着，伟大的中东帝国无论是实际上还是象征意义上，都是建立在流沙之上的。
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2·The tree belts can protect this area against shifting sand.护林带能保护这个地区不受流沙的侵害。
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3·Some measures are needed to secure the farmland against shifting sand.需要采取措施使农田免遭流沙的侵袭。
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4·Shifting sand of the ocean floor helps the sculptures evolve over time.久而久之海底的流沙有助于雕塑的形成。
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5·These tree belts effectively protect the farmland against shifting sand.这些防护林带有效地保护了农田，使之免受流沙侵袭。
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6·These tree belts protected 500,000 acres of farmland against shifting sand.这些防护林带保护了50万英亩农田不受流沙侵袭。
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7·The fencing effect of the net fence in shifting sand area also shows difference among three wind directions.流沙区尼龙网栅栏的防沙效益亦表现出在三组不同风向上的差异。
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8·I reach out my hands; grasp air - as a last resort hurdle the last few feet of the ditch onto shifting sand - catch my balance - made it!我想抓空气是我当时唯一的办法了吧。就这样保持着过了前面几英尺的小沟，最后顺利到了流沙上，哈，我做到了，我保持住了平衡。
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9·I reach out my hands; grasp air - as a last resort, hurdle the last few feet of the ditch onto shifting sand - catch my balance - made it!我想抓空气是我当时唯一的办法了吧。就这样保持着过了前面几英尺的小沟，最后顺利到了流沙上，哈，我做到了，我保持住了平衡。
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10·Therefore, how to prevent and control the shifting sand, is a technical key question, which should be solved in the sub-base earthwork.为此如何防治流砂成为基坑土方施工需要解决的一个技术难题。
同义词