There touted the sort on Mars somehow be fertile enough to grow simple plants?

那么火星土堆的肥沃程度够不够种植一些简单的作物呢？

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Sponges were once thought to be plants but they are actually simple sea animals.

海绵曾经被认为是植物，但实际上它们是简单的海洋生物。

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Within a few years we will be able to turn agricultural wastes into liquid fuels by splitting cellulose, the most abundant molecule in plants and trees, into simple hydrocarbons.

在几年之内，通过分离纤维素(植物中含量最丰富的分子)并将其转化为简单的碳氢化合物，我们就可以将农业废料变成燃油了。

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As the ages passed, the pressure of layers above and heat from inside the earth broke down and reassembled these simple plants and animals into chains of carbon atoms bristling with hydrogen.

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Moving from Hackney to Herefordshire, ending flat broke in 1992 with "just the children's clothes in suitcases" it is not a simple story of tending the plants.

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"We can do simple things like planting bee-friendly plants and flowers to encourage bees into our gardens, " he added.

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