| 1. | Every step forward requires testing the ground ahead for shifting sands .
每前进一步都可能遇到意想不到的困难。 |
| 2. | The wooden hull parts that we find have been buried by shifting sand or mud .
我们发现的木船船体的某些部分是埋在流沙或泥中的。 |
| 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。 |
| 4. | Shifting sand burying crops
移动的沙子埋掉庄稼 |
| 5. | 1 finally , why did i call this series of comments : shifting sands
1最后说说为什么我把这一系列看法叫作：移动的沙？ |
| 6. | 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。 |
| 7. | These tree belts protect 500 , 000 acres of farmland against shifting sand
这些保护林带保护了50万英亩的农田不受流沙的侵袭。 |
| 8. | Shifting sands was also the title of a themed conference in manchester , november 2001
“移动的沙”也是2001年11月在英国曼彻斯特召开的专题研讨会的名称。 |
| 9. | The erosive and sedimentary behaviour of the shifting sand mimics an ever - changing terrain of windswept hills and of avalanches tumbling down steep slopes
流沙的侵蚀及沉积作用生动地模拟了由迎风山丘及山崩所不断塑造的地貌。 |
| 10. | The valley of fire derives its name from red sandstone formations , formed from great shifting sand dunes during the age of dinosaurs , 150 million years ago . complex uplifting and faulting of the region , followed by extensive erosion , have created the present landscape
游览火焰谷特景公园valley of fire ，红色沙石组成多个不同特色的景区，发挥无限想像力，也是爱好摄影人仕必到之处。 |
