鳍状肢可能确实是水生生物的必要反应，海龟、鲸鱼和儒艮也有鳍状肢。
Flippers may indeed be a necessary response to aquatic life, turtles, whales, and dugongs also have them.
它还会伤害鱼类和其他水生生物。
一些难降解有机物是有毒的水生生物。
许多陆地动物是从水生生物演化而来的。
全世界的研究者们都想制造出可以模仿水生生物的机器。
Researchers worldwide are developing robots that look and act like aquatic creatures.
本文讨论了内分泌干扰物对于水生生物的危害。
This essay mainly discusses the effects of endocrine-disruptors on aquatic animals.
死区之所以得名概因其含氧量低，造成该地区水生生物无法生存。
The Dead Zone is aptly named due to the low levels of oxygen, causing no aquatic life to survive in this area.
对水生生物有害，可能在水生环境中造成长期不利影响。
Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
对水生生物有毒，可能在水生环境中造成长期不利影响。
Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
通过采捞我们可以获得很多稀有的水生生物进行科学研究。
By dredging we can get a lot of rare aquatic organisms for scientific research.
莱茵河流过鲁尔山谷的西部边界，水生生物无法在里面生长。
The Rhine River, which flows past the western edge of the Ruhr Valley, was devoid of marine life.
海流传送的热能，可以避免水生生物在不利的温度波动时死亡。
The heat carried by the ocean current thus prevents loss of aquatic life due to unfavorable temperature fluctuations.
专家认为这并不会危害到人类，但会对水生生物造成巨大的冲击。
Experts believe it is not dangerous to humans but may have a terrible impact on Marine life in the area.
他在纽约的布鲁克林学院建立了水生生物研究和环境评估中心。
He started the Aquatic Research and Environmental Assessment Center at Brooklyn College in New York.
当然沉积的固体水在静止延伸会损害正常的河道水生生物的影响。
Deposition of solids in quiescent stretches of a water course will impair the normal aquatic life of the water course.
比如人类胚胎会发育出腮、蹼足和退化的尾巴，映现出远古水生生物的性状。
Human embryos, for instance, develop, then lose, gills, webbed feet and rudimentary tails, reflecting their ancient aquatic life styles.
这种影响将导致短期内湿地草类的衰败及鱼和其他水生生物的减少。
Impacts we'll be looking for in the short term include the loss of wetland grasses and reductions in fish and other things that live in the water.
综述了国内外在水生生物对重金属吸收和积累研究方面的最新进展。
The recent progress of absorption and bioaccumulation of heavy metals by aquatic animals is narrated comprehensively.
激素、抗抑郁药、止痛药以及其它药物正出现在我们的水源中，损害着水生生物。
Hormones, antidepressants, painkillers, and other drugs are showing up in our water supply and harming aquatic life.
从保护河道内水生生物的角度出发，以鱼类为河道水生生物的指示物种。
From the viewpoint of protecting aquatic biotope, fish is deemed as target of river aquatic biology.
基地水文评估包括调查土壤、水生生物需水深度、湿地植物群落等其它方面。
Site hydrology assessment includes investigations into other areas like soils, depth requirements for aquatic organisms, wetland plant communities, etc.
在其七大洲的25个研究地点，普查发现鱼类物种平均占整个水生生物的12%。
Across its 25 study sites on all seven continents, the Census has found that fish account for an average of 12 percent of all underwater life.
大型水生生物越前水母直径达六英尺（1.83米），重量超过450磅（204千克）。
The massive sea creatures, called Echizen kurage in Japanese, measure up to six feet (1.83 meters) in diameter and weigh more than 450 pounds (204 kilos).
近些年农用化学品的过度使用导致湖泊和沿海水域表面绿藻迅猛滋生，这将导致水生生物窒息。
Such algae blooms, which can choke other forms of aquatic life, have grown increasingly apparent in lakes and coastal waters recent years as a result of excessive use of agricultural chemicals.
水生生物研究所的研究人员很清楚地知道，看着一种物种逐渐消失被人遗忘是何种滋味。
The IHB researchers know all too well what it's like to watch a species fade into oblivion.
近些年农用化学品的过度使用导致湖泊和沿海水域表面绿藻迅猛滋生，这将导致水生生物缺氧窒息。
Such algae blooms which can choke other forms of aquatic life have grown increasingly apparent in lakes and coastal waters recent years as a result of excessive use of agricultural chemicals.
近些年农用化学品的过度使用导致湖泊和沿海水域表面绿藻迅猛滋生，这将导致水生生物缺氧窒息。
Such algae blooms which can choke other forms of aquatic life have grown increasingly apparent in lakes and coastal waters recent years as a result of excessive use of agricultural chemicals.
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