这个池塘虽小，但是能养活许多水生植物和鱼。
The pond is small but can support many aquatic plants and fish.
像大多数水生昆虫一样，蜉蝣在成长过程中换羽。
参观者可以观赏到一系列各种各样、色彩斑斓的水生动植物。
Visitors can view a rich and colourful array of aquatic plants and animals.
这种长长的骨骼结构表明它是水生动物。
它头骨的耳朵区域具有只有水生哺乳动物才有的特征，特别像鲸鱼。
The ear area of its skull had characteristics seen only in aquatic mammals, specifically whales.
它们阻止了鱼类迁徙，并改变了对本地物种至关重要的水生栖息地。
They prevent fish migrations and change aquatic habitats essential for native species.
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.
Painlevé是水下拍摄的先驱，他拍了很多关于水生动物世界题材的短片。
Painlevé was a pioneer in underwater film-making, and a lot of his short films focused on the aquatic animal world.
这可能会导致河里的水生植物快速生长，从而导致水道被生物体堵塞，从而改变水流。
This could cause rapid growth of water plants in the river, which can lead to the water ways getting clogged with organisms, which can change the flow of the water.
与水生和海洋生物不同，陆生植物不能总是依靠水流来携带它们的生殖细胞和分散它们的受精卵。
Unlike aquatic and marine forms, land plants cannot always rely on water currents to carry their sex cells and disperse their fertilized eggs.
为了消除这种杂草，生物学家建议用某种对人类和水生动物无毒的除草剂来处理受感染的部分湖泊。
In order to eliminate the weed, biologists proposed treating infested parts of the lake with a certain herbicide that is nontoxic for humans and aquatic animals.
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。
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.
海牛是生活在佛罗里达河流和沿海水域的水生哺乳动物，它们游到海面附近，经常在与船只相撞时被撞死。
Manatees, aquatic mammals inhabiting Florida's rivers and coastal waters, swim close to the surface and are frequently killed in collisions with boats.
鱼和甲壳类水生动物是特产。
发动机进水生锈了。
它还会伤害鱼类和其他水生生物。
通过节俭，她设法以自己微薄的薪水生活。
与海洋生境不同的是，淡水生境的环境条件变化很大。
The environmental conditions of freshwater habitats, unlike those of ocean habitats, are highly variable.
这种鲸保留了尾巴，没有现代水生鲸类动物用于行动的主要部位，尾片。
The whale retained a tail and lacked a fluke, the major means of locomotion in modern cetaceans.
在正常水相下，河流最终流入海洋，而一旦进入海洋，磷就被藻类等水生植物吸收。
In a normal water phase, rivers eventually empty into oceans, and once in the oceans, the Phosphorus gets absorbed by water plants like algae.
如今的绿藻大多生活在淡水水域中，这一点说明它们的早期进化史可能起源于淡水生境。
Today green algae live mainly in freshwater, suggesting that their early evolutionary history may have occurred in freshwater habitats.
一天，一群水生蝽在谈论它们如何看到其它的水生蝽爬上睡莲花的叶子，并从视线中消失。
A group of water bugs was talking one day about how they saw other water bugs climb up a lily pad and disappear from sight.
面对这些证据，包括雀巢和可口可乐在内的几家瓶装水生产商也用同样的方法进行了自己的研究。
Confronted with this evidence, several bottled-water manufacturers including Nestle and Coca-Cola undertook their own studies using the same methodology.
萍蓬草在水面摇曳生姿，为水生植物池增添不少风采。
The pond lily Nuphar shimidai floats majestically on the water, adding greatly to the beauty of the aquatic plants pool.
凭着节俭，她设法以自己微薄的薪水生活。
在美国、对水生物威胁最大的在东南州县。
Some of the worst threats to aquatic species in the US are in the south-eastern states.
能让鱼离开水生活吗？
皇室成员不吃贝壳类水生物，因为怕下毒。
British Royals are apparently never served shellfish, because of a fear of food poisoning.
皇室成员不吃贝壳类水生物，因为怕下毒。
British Royals are apparently never served shellfish, because of a fear of food poisoning.
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