There are dangers in the form of heavy metals found in fish.
食用受重金属污染的鱼类有一定的危险。
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。
There is a river abundant in fish in my hometown.
在我的家乡有一条盛产鱼的河流。
The fats in fish are thought to help prevent heart disease.
鱼肉里的脂肪被认为可以预防心脏疾病。
It stands beside a wide river and is rich in fish and rice.
它位于一条宽大的河流边上，盛产鱼和大米。
The rivers and forests of the New World were abundant in fish and game.
美洲大陆的河流和森林里有大量的鱼类和兽禽。
But exactly how common such“horizontal” gene transfer is in fish remains to be seen.
不过这种在鱼类身上发生的“横向”基因转移究竟有多频繁仍然有待观察。
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。
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。
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；
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。
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。
Virtual population analysis (VPA) is one of the classic models in fish stock assessment, and is one of the main models in calculating the total allowable catch (TAC).
实际种群分析法(VPA)是渔业资源评估的经典模型之一，也是总允许捕捞配额(TAC)计算的主要模型之一。
Virtual population analysis (VPA) is one of the classic models in fish stock assessment, and is one of the main models in calculating the total allowable catch (TAC).
实际种群分析法(VPA)是渔业资源评估的经典模型之一，也是总允许捕捞配额(TAC)计算的主要模型之一。
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