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1·However, plowing is blamed for causing severe damage to top soil by removing the plants that protect soil from being blown or washed away.

然而，耕地被认为是对表层土壤造成严重损害的罪魁祸首，因为它清除了那些保护土壤不被吹走或冲走的植物。

2·The top soil has been washed away.

最上面的土壤已经补冲走了。

3·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。

4·For some nutrients like phosphorous which are in the top soil, we want shallow roots.

有些养料位于土壤表层，比如磷，那么我们就需要较。

5·Theroot infection rate was higher in top soil than in subsurface soil in Ash and Larch plantation.

水曲柳和落叶松林分表层的侵染率高于亚表层的侵染率。

6·Jonathan Lynch: For some nutrients like phosphorous which are in the top soil, we want shallow roots.

纳森•林奇：为有效吸取表土磷等营养物，浅根更适合。

7·207 top soil samples were collected from Hebei province and the contents of heptachlor were measured.

在河北省境内采集207个表层土壤样品，测定其中的七氯含量。

8·A certain large gently inclined cut slope was destructed by its rock slope failure due to top soil sliding.

某大型缓倾陡节理路堑边坡，在上部薄表土滑动作用下岩质坡体倾倒破坏。

9·In the 1930s, the United States was hit with the Dust Bowl, with winds that carried off the nutritious top soil.

1930年代，美国曾受沙尘冲击，风沙带走了肥沃的表土。

10·Two special factors which influence the accuracy of calibration for top soil have been discussed also in this paper.

同时也讨论了影响表层测定精度的两个特殊因素。