水生的

Herbs paludose or aquatic, perennial or under unfavorable conditions annual.

草本沼的或水，多年植物的或在不利的状况下为一年草本的。

It is an organ of perennation or vegetative propagation, and is characteristic of various water plants (e.g.Sagittaria).

这多年营养繁殖器，多种水植物的特征之一(例如：Sagittaria)。

'The negative impacts of overdevelopment of hydropower would destroy the river's diverse aquatic life,' the letter said.

公开信说，水电过度开发将会破坏江水物的多样性。

The result indicates that great differences,which have significant influence on the aqua-plants,exist in the evapotranspire,the bio-mass,the root density and the root length.

研究的结果表明，不同水植物的蒸散量、物量、密度和在较大的差异，这些差异对水植物的泌氧性能、碎石床人工湿地的水力负荷率、氮磷去除效果和有机污染物的降解有重要的影响。

The water eutrophication is caused by the incessant accumulation of nitrogen and phosphorus in water and excessive propagation of a few of algal and hydrobios.

摘要水体中氮磷营养物质不断积累，部分藻类及水物的过度繁殖，导致了水体的富营养化。