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。
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.
有些是养鱼场基因改造的鱼，其余的则是嘴被钩住或是被巨大的拖网渔船网住，拖网渔船所过之处一路捕杀。
Some are genetically engineered on fish farms, while the rest are hooked by the mouth or netted by huge trawlers that catch and kill everything in their path.
但是除了我看到第一只活着的鳕鱼之外已无所可记的了：养鱼工作主要就是投球状的鱼食，这比拖着渔网深入大海无聊多了。
But apart from seeing my first live cod, there was little to write down: fish farming mostly involves slinging food pellets, and is far duller than hauling nets far out to sea.
养鱼业也被认为是一个重要途径，以帮助提供鱼量给日益增长的世界需求。
Fish farming is seen as an important way to help feed a growing world.
八百多吨鱼死亡并腐烂于菲律宾养鱼场，这些养鱼场位于马尼拉南部塔阿尔火山附近的湖里。
More than 800 tons of fish have died and rotted on fish farms in a lake near Taal Volcano south of Manila.
市议会已提议在湖中养鱼，以给市民提供食用鱼及供他们观赏。
The city council have suggested stocking the lake with fish to provide food and fun for the citizens.
养鱼的水要在阳光下暴晒三四天才能用，喂养时要按鱼的大小来喂食。
The fish in the water to sun exposure, or when the fed can genius according to the size of the fish to feed.
对稻田养鱼(垄稻沟鱼)后的稻田土壤、田水、水稻植株、稻米蛋白质等进行了测定。
The soil, field water, rice plant and protein in rice grains were analysed and determined after fish cultured in paddy field (rice on the ridge and fish in the furrow).
该处向养鱼业人士介绍市面有售的乾粒料鱼粮，并于五月实施鱼类健康监察计划，务求尽量减少鱼类疾病造成的损失。
The use of commercially available dry pellet feed was introduced to fish farmers. A fish health inspection programme was introduced in May to minimise losses due to fish diseases.
他们一年花费超过一百万美元，用于鱼、鱼缸、水草、沙子、贝壳、鱼食，以及用于加热和清洁养鱼缸的器具。
They also spend more than a million dollars a year for fish, tanks, planes, sand, shells, food and gadgets for heating and cleaning aquariums.
之后，我改成星期天捉鱼，平常天养鱼。
After I changed to catch fish on Sunday, ordinary days fish.
鱼菜共生法把养鱼业与菜圃园艺相结合，植物生长在水上，覆盖水面，而鱼就在水下生存。
Aquaponics combines fish farming with gardening, where plants grow over water to cover its surface, while fish live below.
发起人对该措施的部分解释是用弯曲形状的鱼缸养鱼比较残忍，因为当鱼从里面向外望时，现实世界是失真的。
The measure's sponsor explained the measure in part by saying that it is cruel to keep a fish in a bowl with curved sides because, gazing out, the fish would have a distorted view of reality.
靠近水库边上的两山沟里又修了一个三十多亩的养鱼塘，专门用来养特种鱼的。
The two reservoirs near the edge of a ravine where they repair 30 acres of raising fish ponds, designed to keep special fish.
喜欢捉鱼、看鱼和养鱼。
他想，养蜜蜂的人能得到蜂蜜，养鱼鹰的人能得到鱼，我为什么不养些猴子呢？
He thought that the person who kept bees could get honey and who kept the fish eagle could get fish. Why not raise some monkeys?
鱼的种类有很多种，比如金鱼、观赏鱼，很多人都喜欢饲养鱼。
There are many kinds of fish, such as, Goldfish, the beautiful fish, many people like to feed them.
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.
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。
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。
Today, fish-keeping is a hobby that has become institutionalised and is becoming a standard consumer commodity concerning millions of people around the world.
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