The meat of some species is a delicacy in both Japan and Korea, but the skin and certain organs of many pufferfish are poisonous to humans.
在日本和韩国一些物种的肉被视为珍馐，但是问题是许多河豚鱼的表皮和特定的器官是对人有毒的。
But could they also expose you to the harmful pollutants found in some species of fish?
但公司会把发现在某些种类的鱼中有对人体有害的污染物质告诉你吗？
We don't know for sure, but we do know that every species that is removed … results in some weakening of the ecosystem.
我们完全不知道，但我们知道，每一种物种的灭绝······结果都是在某种程度上对地球生态系统的削弱。
But because species hybrids create new combinations of genes, it is possible that some combinations might enable hybrids to adapt to conditions in which neither parent may fare as well.
但由于物种杂交实现了基因的新组合，有可能某些新组合让杂交后代产生了对环境的适应能力，而在这样的环境中它的双亲却无法存活。
Dr MacKinnon says in some cases, alien species have been introduced to a country by people with good motives in mind, but they lead to disastrous results.
麦克·金南博士说，在某些情况下，向一个国家引进外来物种的人的动机是好的，但导致了灾难性的后果。
Previous studies have suggested that some species are at risk for extinction due to their change in habitat, but this study did not delve into which species might be most in peril.
既往研究表明，有些物种由于栖息地的变化而濒临灭绝，但这个研究没有在哪个物种最为危在旦夕这一点上进行深入研究。
But for some well-known varieties, such as the giant golden orb weavers, the last time a new species was discovered was in the 19th century.
但对于一些著名的蜘蛛，如巨型的金丝圆蛛，是近一次有新的物种被发现要追溯到19世纪。
The phenomenon has been most extensively studied in invertebrates, but is also seen in horses, cows and some species of deer.
这个现象在无脊椎动物中已经广泛的被研究过，而且在马、牛和某些鹿中也有出现。
Some species of snail have shells that spiral out in an anticlockwise direction, but it is much rarer.
有些种类的蜗牛有着从里到外逆时针的螺壳，不过这少见的多。
Male birds feed their young in some species, but they forget about them once they fly the coop.
有些雄鸟喂养自己的后代，可惜孩子飞走后，就忘了它们的模样。
It may do some good in the short term, but in the long term it's not going to solve the problem of invasive species on both sides of the divide.
短期内这也可能有一些好的效果，但长远来看，它不能解决分水岭两侧的物种的入侵问题。
Naturally climatic changes have also played their part in the reduction in some species, but at any time we have been able to help them overcome adversity.
自然气候的变化也已经在某些物种中间减轻了影响，但是在任何时刻我们都一直可以帮助它们渡过灾难。
Most of these species live in the great depths of the oceans, but some are found in shallower, tropical environments
这类生物大部分都生活在较深的海底，不过也有的出现在浅水、热带环境中。
Most of these species live in the great depths of the oceans, but some are found in shallower, tropical environments.
这类生物大部分都生活在较深的海底，不过也有的出现在浅水、热带环境中。
Investigators have made considerable progress over the past 100 years in taming some species with antibiotics, but the harmful bacteria have also found ways to resist many of those drugs.
在过去一百年里用抗生素驯服一些细菌的道路上，研究者们取得了很大的进展，但致病的细菌也找到了方法来抵抗这些药物中的很多种。
The popping method is easier and quicker than probing the vent, and works very well in some species especially caimans, but probing the vent is more reliable when done by an experienced person.
膨爆法更快更容易，通风比探测，而且运作非常良好，尤其是在一些物种凯门鳄，但探测排气更可靠的人做的一个经验。
Many key species have been overfished in some locations but still have thriving populations elsewhere.
在某些地方，鱼类的许多重要品种已被过度捕捞，而在其他地方却仍然繁殖旺盛。
But in recent years, some scientific and technological reward become unfair because of species of reasons.
但近年来，由于种种原因，不少科技奖励离开了公平、公正的原则，造成了一定的负面效应。
But in recent years, some scientific and technological reward become unfair because of species of reasons.
但近年来，由于种种原因，不少科技奖励离开了公平、公正的原则，造成了一定的负面效应。
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