Today, fish-keeping is a hobby that has become institutionalised and is becoming a standard consumer commodity concerning millions of people around the world.
如今养鱼已经成为一项集体兴趣，全世界有约百万的人参与其中，各种观赏鱼也已成为标准的消费商品。
Offspring of these fish would likely behave like their parents and feed and live in the same area, keeping them separate from the original population.
这些鱼的后代很可能会像它们的父母一样，在同一地区捕食、生活，并与原来的种群分隔开来。
Although the atoll lost many corals, it kept an abundance of grazing fish that help reefs recover by keeping them clean.
尽管这里的环礁损失了很多珊瑚，但依然有大量的草食鱼类通过清理珊瑚礁来帮助它们复苏。
A study published in the December 2009 Ecological Applications shows that keeping more fish in the sea may give an ecosystem some protection against unwanted algae.
在2009年12月号生态学应用杂志上发表的一项研究显示海中鱼类增多可保护生态系统不受讨厌的海藻污染。
Experts do not really know when people began keeping fish as pets. But they say that people have been interested in fish for thousands of years.
专家们并不能确切地知道，人们是在什么时候开始养鱼的，但专家们说，人们对鱼的兴趣已经有好几千年了。
Brilliant blue dorados are now swimming along with us, keeping company with zebra-striped pilot fish. Why they all like us we do not know.
美丽的蓝色剑鱼一直伴随着我们，还有斑马条纹的鲭鱼，不知道它们为什么会喜欢我们。
But fish eat the algae, keeping it from smothering the coral.
但鱼群会吃掉藻类，让珊瑚不会窒息而死。
Nothing did so much good for fish stocks in northern Europe in the past 150 years as the second world war: by keeping trawlers in port, it let fisheries recover.
对鱼类资源来说，在第二次世界大战期间在北欧发生的一种情况是非常好的，在过去的150年里再没有象这么好的事情了：捕捞船被保存在港口里，使得渔业得以恢复。
Two friends, Kate and Li Qun, are talking about keeping fish.
两位朋友，凯特和李群，在谈论养鱼。
Keeping ornamental fish as pets is one of the most popular hobbies in the world.
饲养观赏鱼当宠物是世上最受欢迎的嗜好之一。
When inflated, the bladder serves as a natural buoyancy aid, keeping the fish upright in the water.
当鱼鳔膨胀时，会增加天然浮力助，帮助鱼类在水中保持直立姿势。
If we lose confidence, after keeping on suffering bad luck so many days, how can Santiago have the courage to fish?
如果丧失了自信，在持续那么多天的背运之后，桑提亚哥还有勇气和毅力出海捕鱼吗？
Brilliant blue dorados are now swimming along with us, keeping company with zebra -striped pilot fish. Why they all like us we do not know.
美丽的蓝色剑鱼一直伴随着我们，还有斑马条纹的鲭鱼，不知道它们为什么会喜欢我们。
Experts say that keeping fish at home in small water tanks called aquariums is extremely popular today.
专家们称，将鱼儿养在家中的一个被称为水族箱的小水箱中，目前非常地流行。
It appeared that the smaller fish were keeping themselves small in order to avoid challenging the boss fish.
实际看表明，小鱼保持较小的体型就是为了避免挑战大鱼。
The main processes in the course of finishing were studied with scaly jewfish as raw materials. The method of keeping fish skin unique natural scaly patterns was also investigated.
以有鳞鱼皮鲷鲤鱼皮为原料，对整饰工艺过程中的主要工序以及如何保持鱼皮独特的天然鳞纹等问题进行了研究，制定了较为合理的鱼皮革涂饰工艺。
It was 15 years ago we started as a molding company and later driven by the liking and understanding of Marine fish keeping, we started the manufacturing of protein skimmer.
15年前，我们开始是一家塑料模具公司，后来因喜爱和养殖海水热带鱼类，而开始研发及生产海水用化氮器。
When coral bleaches, seaweed can grow out of control, stifling reef recovery. But fish eat the algae, keeping it from smothering the coral.
国家地理原文是这样写的，“当珊瑚礁出现白化现象，海草便会疯长，珊瑚礁的恢复因此受到抑制”这样更准确。
ZORF gives you a hand in keeping your fish fed.
ZORF让你的手在使您的鱼喂食。
It includes advice on the following subjects: growing green vegetables and fruit trees, keeping cows and sheep, and keeping fish in lakes.
这本书包括下列有关问题的建议：种植蔬菜与栽培果树、饲养牛羊及湖塘养鱼。
It includes advice on the following subjects growing green vegetables and fruit trees, keeping cows, sheep and fish in lakes.
它包含了如下方面的建议：种植绿色蔬菜和果树栽培，牛羊的饲养和湖泊养雨。
We intend to create a premium lifestyle experience in ornamental fish keeping by providing a one-stop aquatic shopping for both local and international wholesalers, retailers and consumers.
我们致力于建立一站式购物，将优质的观赏鱼提供给国内外批发，零售商及消费者，使他们从中得到高品质的享受与服务。
Ornamental fish are the world's most popular pets and fish keeping is the second most popular hobby after photography.
观赏鱼是世界上最流行的宠物，而养鱼也是仅次于摄影的第二流行兴趣。
Ornamental fish are the world's most popular pets and fish keeping is the second most popular hobby after photography.
观赏鱼是世界上最流行的宠物，而养鱼也是仅次于摄影的第二流行兴趣。
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