A contractor was hired to drain the reservoir and to excavate soil from one area for replacement with clay.

一个承包商被雇来排干蓄水池里的水，然后挖出其中一块地方的泥土，换上粘土。

《柯林斯英汉双解大词典》

The first basin would be filled with soil and a drain would be located at the bottom to allow leach of nutrients.

上面的盆子装满土并在底部安装向下渗透养分的管子。

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Line the base of each pot with some of these fragments - they let water drain out the hole in the base without carrying away the soil.

把这些碎片中的部分在每个壶的底部排好-它们可以不带走土壤而让水流干。

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Working organic amendments such as compost into your soil will help it drain faster and retain a more even level of moisture.

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But Mr Mustow admitted that much more needed to be done to ensure that farmers did not increase flood risk with land drainage schemes and that developers and builders ensured that new developments allowed water to drain into the soil rather than flushing into the sewers.

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