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。
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。
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。
"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。
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。
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。
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。
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。
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。
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，这将导致水生生物窒息。
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。
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)。
Like their aquatic counterparts, pet chickens don't have very long life expectancies, usually hanging on for just a few days or weeks.
跟他们水生的同伴一样，宠物小鸡不会活得很长，通常能活几天或者几周。
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。
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。
Framed by a glass wall looking over the underground aquatic tank, guests enjoy watching the resort Marine life while enjoying an assortment of wines, beers, specialty cocktails and spirits.
由玻璃墙看着地下水族箱框，客人观赏胜地海洋生活的同时享受葡萄酒，啤酒的品种，特色鸡尾酒和烈酒。
Some refractory organics are toxic to aquatic life.
一些难降解有机物是有毒的水生生物。
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。
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。
Morning stillness reflects heaven and earth, tinted by mineral deposits and aquatic plant life in Five Flower Lake.
清晨的宁静映照着天空和大地，被五花海里的矿物沉积物和水生植物染上了色彩。
Using aquatic plants to treat pollution has been familiar to our common life, for instance, the algae and high class plants.
利用水生治污植物治理水污染已经运用于实际生活之中，如藻类和高等植物。
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。
One microscopic aquatic organism plays a major role in making life on earth possible: phytoplankton.
浮游植物--一种微小的水生植物，可能在地球生命的起源中发挥着重要的作用。
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。
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。
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。
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。
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。
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