Flippers may indeed be a necessary response to aquatic life, turtles, whales, and dugongs also have them.
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。
They contended that land animals that began to adapt to aquatic life would soon be neither fowl nor fish, incapable of surviving in either medium.
他们认为，开始适应水生生活的陆地动物很快就会变成既不是鸟也不是鱼，无法在任何一种环境中生存。
Some refractory organics are toxic to aquatic life.
一些难降解有机物是有毒的水生生物。
Pumping this supersalty water back into the ocean can harm local aquatic life.
如果把这些高含盐的废水排入大海，那么本地的水生作物会受到严重伤害。
River and stream flow that maintains stream quality, aquatic life and recreational opportunities.
能维持河水质量，水生生命和满足娱乐需要的河水流量。
And it is known that acid rains cause death of aquatic life and destroy the balance of the ecosystem.
而酸雨，众所周知，引起水生物的死亡并破坏生态平衡。
After heavy snowfalls, many urban waters suffer from large doses of chloride that are lethal to aquatic life.
大雪之后，很多城市水体注入大量盐分，对水生物构成致命威胁。
Increasing nutrient contents may also result in an increase in more undesirable species of aquatic life.
日益增加的富养成分也可能造成更多意想不到的水生命的激增。
The Dead Zone is aptly named due to the low levels of oxygen, causing no aquatic life to survive in this area.
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。
Hormones, antidepressants, painkillers, and other drugs are showing up in our water supply and harming aquatic life.
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。
Rainfall "washes them out", creating acid rain which is harmful to aquatic life, forests, and agricultural crops.
降雨冲洗这些废气，形成酸雨，它们对水体生物，森林和农作物有害。
That pollution, along with DAMS and heavy boat traffic, has caused a dramatic decline in the Yangtze's aquatic life.
污染再加上筑坝和繁忙的船运导致长江水生物数量急剧下降。
The heat carried by the ocean current thus prevents loss of aquatic life due to unfavorable temperature fluctuations.
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。
Deposition of solids in quiescent stretches of a water course will impair the normal aquatic life of the water course.
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。
Smack in the middle of the blazing Chihuahuan Desert, a snorkeler scans the bottom of a spring-fed pool for aquatic life.
在灼热的奇瓦瓦沙漠中心，一名潜水员在生机盎然的池塘下搜索水生物。
Human embryos, for instance, develop, then lose, gills, webbed feet and rudimentary tails, reflecting their ancient aquatic life styles.
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。
Washing and human waste disposal must be done carefully so the environment is not polluted, and animals and aquatic life are not injured.
洗濯，抛弃垃圾需要小心处理做到不致污染环境，不会因此伤害动物和水生动物。
"If the water quality cannot be ameliorated effectively, the aquatic life populations will be further decimated," Mr. Du and his co-authors wrote.
“如果水质没有有效改善，水生物将会大批死亡，”杜先生以及他的合作作者写到。
Whether you raise catfish, prawns, minnows, trout, bass or any other type of aquatic life, you can double your fish production using an ADS system.
无论您养殖的是鲶鱼、虾、小鱼、鳟鱼、鲈鱼还是任何其他类型的水生生物，您都可以通过使用ADS系统将鱼产量增多一倍。
HOUSTON - a downtown restaurant that already features sharks and other exotic aquatic life wants to add another attraction from the animal kingdom: white tigers.
休斯顿-一家已经在店堂中陈列了鲨鱼和其他奇异水族生物的饭店，非常近决定引入另一位成员，动物家族的国王-白虎，来增加饭店的吸引力。
Algae provide much of Earth's oxygen, serve as the food Base for almost all aquatic life, and provide foods and industrial products, including petroleum products.
藻类提供了地球上大部分的氧气，是几乎所有的水生生物的食物基地，并提供食品和工业产品，包括石油产品。
In contrast to aquatic life, land-based animals, whose vision-based sensory field extends for hundreds of meters, have time to contemplate a variety of actions and pick the best one.
和水生动物不同，陆生动物的感官场建立在视觉的基础上，可以延展好几百米远，因此它们有时间考虑各种行动并选择最好的一种。
Sewage generated by the project after preliminary treatment into the nearby river for farm, has very little effect on normal growth and reproduction of the fish and aquatic life.
项目产生的污水经初步处理后排入到附近的农用河涌，对河涌的鱼类以及水生生物的正常生长和繁殖影响不大。
In Egypt, the symbol of this constellation is two turtles, sometimes referred to as "the constellation of water", sometimes referred to as allul (allul, an unknown of aquatic life).
在埃及，这星座的象征为两只乌龟，有时被称为“水的星座”，有时又被称为阿璐儿(allul，一种不明的水中生物)。
The main components of oil are saturated hydrocarbons, aromatic compounds, asphaltenes, resins, and so on. It is difficult to degrade these substances which are bad for aquatic life.
由于石油的主要成分包括饱和烃、芳香烃类化合物、沥青质、树脂类等，这些物质难以降解，并且对水生生物有毒杀作用。
Toxic substances such as carcinogens and other compounds that are deadly to aquatic life can also be produced during the degrading process or through interaction with other chemicals.
有毒物质，如致癌物质和其他化合物是致命的对水生生物的生活也可以制作期间，有辱人格的过程中，或透过互动与其他化学品。
Toxic substances such as carcinogens and other compounds that are deadly to aquatic life can also be produced during the degrading process or through interaction with other chemicals.
有毒物质，如致癌物质和其他化合物是致命的对水生生物的生活也可以制作期间，有辱人格的过程中，或透过互动与其他化学品。
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