shifting sand中文什么意思

飞砂

流砂

流沙

• shifting:    adj. 1. 变动的；移动的；多[ ...
• sand:    n. 1.沙。 2.〔 pl. 〕 ...
• area of shifting sand:    流沙地区

例句与用法

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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？