That makes it a metal hyperaccumulator—in other words, a plant that can deal with a lot of metal.
这使它成为重金属超累积型植物——换句话说，一种能够处理大量重金属的植物。
| 单词 | Hyperaccumulator |
| 释义 |
Hyperaccumulator
原声例句
Scishow 精选系列 That makes it a metal hyperaccumulator—in other words, a plant that can deal with a lot of metal. 这使它成为重金属超累积型植物——换句话说，一种能够处理大量重金属的植物。 Scishow 精选系列 Metal hyperaccumulators like it could make it possible to remove metal pollutants from soils, which could be valuable here on Earth or even in future civilizations on Mars. 这类超积累植物能帮助我们去除土壤中的重金属污染物，这不仅在地球上很有意义，甚至在未来的火星文明中都很有价值。 Scishow 精选系列 The idea is that when a hyperaccumulator's leaves drop to the ground, they enrich the nickel in the soil and make it harder for other plants to thrive. 这种观点认为当超积累植物的叶子落到地上，土壤中的镍含量增加，这导致其它植物难以生长。
英语百科
HyperaccumulatorA hyperaccumulator is a plant capable of growing in soils with very high concentrations of metals, absorbing these metals through their roots, and concentrating extremely high levels of metals in their tissues. The metals are concentrated at levels that are toxic to closely related species not adapted to growing on the metalliferous soils. Compared to non-hyperaccumulating species, hyperaccumulator roots extract the metal from the soil at a higher rate, transfer it more quickly to their shoots, and store large amounts in leaves and roots. The ability to hyperaccumulate toxic metals compared to related species has been shown to be due to differential gene expression and regulation of the same genes in both plants. Over 500 species of flowering plants have been identified as having the ability to hyperaccumulate metals in their tissues. |
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