The existing projects, though, are looking at freshwater algae.

虽然现在的计划正着眼于淡水藻类。

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Trent's plan is to grow freshwater algae in nutrient-rich waste water inside semi-permeable plastic membranes.

Trent的计划是将清水海藻种植在充满富营养废水的半透塑料薄膜里。

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From scum on ponds to water celery on river beds and reeds swaying in a wetland breeze, freshwater algae and plants provide oxygen to breathe and food to eat.

从池塘的浮垢到河床上的水芹和沼泽地上随风摇摆的芦苇，这些淡水藻类和植物为生物提供呼吸的氧气和可吃的食物。

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SEPA's weakness was evident last year during one of the country's biggest recent environmental disasters, the choking of the country's third-largest freshwater lake, Taihu, by toxic algae.

ECONOMIST: Environmental protection in China

For example, freshwater systems polluted with excess agricultural fertiliser will suffocate with algae, killing off fish and making water unfit for human consumption.

BBC: Nature loss 'to damage economies'