基本解释水生生物； 积水生物同根派生 英汉例句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，部分藻类及水生生物的过度繁殖，导致了水体的富营养化。