If a test finds that soil has too much lead, you might be advised to remove the soil or cover it with sod grass.

如果检测表明土壤含铅量很高，就需要把这部分土壤移走或者用草皮草盖住它。

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With a good shovel, you can cut an outline of the garden in the grass. Your child can then pull the sod away and set it aside it for composting.

先用一把好铲子在草地上划出花园的轮廓。你的孩子可以把草皮拉开，把它放在一边用作堆肥。

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It was a wary animal, once ubiquitous on the tall grass prairies, that roamed widely and interacted with every plant, insect, and bird making a home over the sod.

它是个机敏的动物，曾经遍布高草草原，四处游荡，影响着所有在草原安家的植物、昆虫和鸟类。

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If a test finds that soil has too much lead, you might be advised to remove the soil or cover it with sod grass.

VOA: special.2009.06.09

Sod can grow at times and in places where growing grass from seed is difficult.

VOA: special.2009.07.07

A piece of sod has grass on the top and soil on the bottom.

VOA: special.2009.07.07

For the new sod, the club paid for strips of grass that were 4 feet wide and 60 feet long to reduce the number of seams, even though it was the most costly.

NPR: McIlroy Enters Next Phase Of Season

Fake grass costs nearly twice as much as sod to install, though it costs less to maintain.

ECONOMIST: Monitor