The levels do not pose any immediate danger to human health.
这水平并不对人体健康构成立即的威胁。
A noise of one hundred and twenty decibels on land causes pain to human ears.
陆地上120分贝的噪音会使人的耳朵疼痛。
Rather than give all the credit to human skill, Anderson invokes the winds of chance.
与其把所有的原因都归结于人类的技术，安德森更相信风的作用。
It is their sensitive response to human circumstance that accounts for the persistence of certain universal ideas.
他们对人类环境的敏感反应解释了某些普遍观点的持久性。
However, not all the people know that noise is also a kind of pollution, and that is harmful to human health, too.
然而，并不是所有的人都知道噪音也是一种污染，对人类健康也是有害的。
Now, much of the research in this area is motivated by the search for animal analogues, or parallels to human cognitive processes.
现在，这一领域的许多研究都是为了寻找与人类类似的动物，或与人类认知过程的相似之处。
There're several features peculiar to human language that have, for the most part, never been found in the communication system of any other species.
人类语言中有几个独特的特征，且在很大程度上是其他物种的交流系统中从未发现的。
Others claimed there was a division of scientific opinion on the issue, so the advertisement should not have attributed global warming all to human activity.
其他人则声称这是个存在意见分歧的科学问题，因此该广告不应当将全球变暖悉数归咎于人类活动。
The researchers pointed out that low-frequency processes, such as fluctuations in stream flow and groundwater levels, would not usually be apparent to human populations.
研究人员指出，低频过程诸如河流流量和地下水水位的波动，通常不会对人类产生明显影响。
Most of the problems were due to human error.
多数问题都是人为错误造成的。
Errors may have been made due to human fallibility.
这些过失可能是人为犯错造成的。
Like seaweed, sea grasses are very susceptible to human pollution.
和海藻一样，海草很容易受到人类污染的影响。
This poses a threat to agriculture and the food chain, and consequently to human health.
这会对农业和食物链造成威胁，由此而危及人的健康。
It was made of plaster, hard and white and lifeless, bearing no resemblance to human flesh.
它是由石膏做成的，又硬又白，没有生命，与人的皮肤毫无相似之处。
"To us, the most likely explanation appears to be that the basis lies in their living with humans, which gives them a lot of exposure to human facial expressions," and this exposure has provided them with many chances to learn to distinguish between them, Muller said.
穆勒说：“对我们来说，最有可能的解释似乎是，这一现象的根源在于它们与人类生活在一起，这让它们接触了大量人类的面部表情。”而这种接触也为它们提供了很多机会来学习区分它们。
He made great contributions to human beings.
他为人类做出了巨大的贡献。
He made great contributions to human beings.
他为人类做出了巨大的贡献。
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