Levels of some toxins in fish have declined, but others pose new risks.
有些有毒物质在鱼体的含量已经下降了，但是其他的却产生了新的风险。
Omega-3 fatty acids, found in fish, are important for maintaining memory.
在鱼中发现的ω- 3脂肪酸对于保持记忆力很重要。
Claims about omega fatty acids being found solely in fish are absolute lies.
宣称欧米伽脂肪酸只在鱼中才有绝对是谎言。
Many were found in fish during an earlier study of toxins in the Yangtze food chain.
在之前的一项长江食物链有毒物质调查中，在鱼类身上能找到许多此类物质。
The mercury level in fish depends on its species, age, foraging mode and habitat.
鱼类中的水银含量，视乎其品种、年龄、觅食模式和生活水域而定。
The longer length helps in fish control with lighter lines, just as in fly fishing.
当使用细线时，长一点的竿子更利于控鱼，这和飞钓是一样的。
My home town is a beautiful place. It stands beside a wide river and is rich in fish and rice.
我的家乡是一个美丽的地方。它坐落在一条宽阔的河流旁边，盛产鱼和米饭。
Clearly, the decline in fish populations in Trias waters is the result of overfishing, not pollution.
显然，Tria水域鱼类数量的下降是过度捕鱼而不是污染造成的。
Additionally, because of their location they eat a diet that's high in fish and omega fatty acids.
此外，瑞典的地理位置决定了他们的饮食多以鱼类和富含不饱和脂肪酸的食物为主。
However, the mechanisms and signaling pathways involved, in particular in fish, are largely unknown.
然而，其机理和信号传导通路，特别是在鱼中，还知之甚少。
Before diving in to more complex topics, let's look at how common shell tasks are accomplished in fish.
在讨论比较复杂的主题之前，我们先看看在fish中如何完成一些常见的shell任务？
The traditional Japanese diet - rich in fish and lightly cooked vegetables and low in fat - has much to do with it.
传统的日本膳食，包含大量的鱼和简单烹调的蔬菜，脂肪含量很低，对于保持长寿有很大帮助。
Herbert-Read says the next stage of the research would be to find out how long ago in fish evolution these rules evolved.
赫伯特·里德说下一步的研究是找出在多久以前鱼类进化出了这些规则。
COLD, empty and rich in fish and minerals, the seas of the "High North" are a tempting prize for a big, confident country.
北部高地寒冷，空旷，却蕴藏着丰富的渔业、矿物质资源，这对于一个自信的大国来说是一个诱惑。
They also eat meat very rarely if ever and find protein in fish and tofu while loading up on local fruits and vegetables.
他们很少吃肉，即便有也不多，他们常吃高蛋白的鱼和豆腐，以及当地的新鲜蔬果。
Maximum limit for lead in fish – lead can cause a wide range of disorders including anemia and hepatic and neurological disorders;
鱼类中最高铅限量 - 铅可造成一系列广泛的病症，包括贫血以及肝脏病和神经障碍；
By using a special instrument called magnetometer, scientists were able to find magnetite in bees and birds, and even in fish.
通过使用特别的仪器(磁力计)，科学家能够找出蜜蜂和鸟类中的磁铁矿，甚至在鱼里也找得到。
As we've previously reported, depressive symptoms seem to be alleviated by increasing omega-3 fatty acid intake, commonly found in fish.
我们之前也说过了，抑郁的症状可以靠多摄入omega - 3，这种普遍存在在鱼中的脂肪酸来得到缓解。
Whether a diet rich in fish can help mitigate bone loss for the terrestrial-bound has not been determined, but Smith finds it highly likely.
虽然还未确定富含鱼类的饮食是否能够帮助地面上的人们缓解骨质流失，但是史密斯认为非常有可能。
Omega-3 fatty acids - found in fish oil and flaxseed - are already known to help protect you from such age-related illnesses as heart disease.
我们早已知道，从鱼油和亚麻籽油中发现的欧米伽- 3脂肪酸有助于预防与年龄相关的疾病，如心脏病。
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。
The correlation between blood viscosity and erythrocyte electrophoresis rate suggested that there was also an electroviscous effect in fish.
血液粘度和红细胞电泳率之间的相关性，表明单、青鱼血液中亦有电粘度效应。
Impacts we'll be looking for in the short term include the loss of wetland grasses and reductions in fish and other things that live in the water.
这种影响将导致短期内湿地草类的衰败及鱼和其他水生生物的减少。
Women traded in fish on the jetties, children played cricket on the sands, grandmothers sunned themselves, and most officials were away on vacation.
与往常一样，妇女们在海堤上卖鱼，孩子们在沙滩上打板球，老奶奶们在晒太阳，而很多官员在享受假日。
Now some of them are involved in fish-seed production [controlled breeding of fish as in a hatchery], which is more lucrative than fish aquaculture.
现在她们之中的一些人从事鱼苗生产[在孵卵池从事人工养殖鱼苗]，这项产业带来的利润比养鱼更高。
Despite many successful research studies on the use of plant-derived feed ingredients in fish feeds, significant problems remain to be resolved.
尽管对植物来源的饲料成分的利用的研究已取得了很多进展，但还有一些重大问题尚待解决。
Some previous studies have suggested that DHA, an omega-3 fatty acid in fish oil, can aid in a baby's brain development if taken during pregnancy.
之前的研究表明怀孕的妈妈们摄入DHA，即鱼油中含有的欧米加- 3脂肪酸，有助于婴儿的大脑发育。
Some previous studies have suggested that DHA, an omega-3 fatty acid in fish oil, can aid in a baby's brain development if taken during pregnancy.
之前的研究表明怀孕的妈妈们摄入DHA，即鱼油中含有的欧米加- 3脂肪酸，有助于婴儿的大脑发育。
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