近年来，努纳武特的一些因纽特人报告说，在人类居住区周围看到北极熊的情况有所增加，这使人们认为其数量在增加。
In recent years some Inuit people in Nunavut have reported increases in bear sightings around human settlements, leading to a belief that populations are increasing.
科学家们的解释则是，有些北极熊由于饥饿可能会聚集在人类居住区周围。这就导致人们产生一种错觉，误认为北极熊的数量比其实有数量要多。
Scientists have responded by noting that hungry bears may be congregating around human settlements, leading to the illusion that populations are higher than they actually are.
饥饿的鹿向人类居住的地方靠近。
狼通常会避开人类居住地。
还有个选择：攀登到高处并寻找人类居住的迹象。
Another option: Climb high and look for signs of human habitation.
在这段时间里，大多数科学家曾认为该地区不适合人类居住。
This is the time period in which most scientists formerly believed the area to be inhospitable for humans.
现在，许多天文学家正在寻找新的行星和未来人类居住的新地方。
Now, many astronomers are looking for new planets and new places of humans to live in the future.
许多地区的动植物种类曾比现在丰富，使得它们非常适合人类居住。
Many areas were richer in animal and plant species than they are now, making them highly favorable for human occupation.
人口学家估计，到2050年，将有四分之三的人类居住在城市，其中大部分将来自亚洲和非洲快速发展的城镇。
Demographers reckon that three quarters of humanity could be city dwelling by 2050, with most of the increase coming in the fast growing towns of Asia and Africa.
据报道，金华现在是适合人类居住的城市之一。
As was reported, Jinhua is now among the cities which are fit for people to live in.
混凝土公寓楼明显老化，已经不适合人类居住了。
The concrete apartment blocks show their age and they become unfit for human's habitation.
按照正式的说法，哈瓦群岛还没有人类居住。
Officially, the Hawar Islands are uninhabited, so far as humans are concerned.
什么使地球适于人类居住？
到目前为止梅格岛上没有出现过人类居住过的证据。
No evidence of human occupation has ever been found on Meighen Island
比起迫降在一个适宜人类居住的星球，你中彩票的可能性更大。
You're more likely to win the lottery than to crash-land on a planet that is conducive to human life.
该发现被认为具有60万年的历史，是全世界人类居住的最古老标志。
The find was believed to be over 600,000 years old - making the oldest signs of human habitation in the world.
某一地区一旦有人类居住，这里的大象和猛犸象就开始从化石记录里消失。
The creatures disappear from the fossil record of a region once it became colonized by humans.
它肯定不是像木星一样的巨型气体行星，也不适宜人类居住——那太热了。
It's definitely not a gas giant like Jupiter. Nor is it habitable—it's too hot.
不过，一些科学家考虑通过一些人为手段，改变行星环境使其适宜人类居住。
But some scientists have contemplated ways to change a planet's environment so that it can support life through a process known as terraforming.
他们创造了一个自我维系和自我繁殖的生态系统，让阿森松岛更适合人类居住。
They created a self-sustaining and self-reproducing ecosystem in order to make Ascension Island more habitable.
他们希望在今后的2年里确定出大约60多个像地球一样适宜人类居住的行星。
And they expect to be able to identify around 60 of these habitable Earth-like planets within the next two years.
这颗新发现的褐矮星地表温度在27到80度之间――在这些地方，温度很适宜人类居住。
The new brown dwarf's surface is between 27 and 80 degrees centigrade - so in places, it's a temperature humans might enjoy.
思考着未来的四百年，桑德森回到了原来的问题：如何建造适宜人类居住的城市？
Thinking four centuries ahead, Sanderson returns to the question of how to build liveable cities.
有些西方学者认为把像雅库茨克这样的城市建立在不适合人类居住的地带，是很荒谬的一件事。
Some Western academics have said that the very existence of places like Yakutsk, built in terrain that simply isn't meant for human habitation, is absurd.
他们恢复了山脉的高度，寻找最适合人类居住的地方：那里要靠近水源、能够躲避冬天刺骨寒风。
They reconstructed the height of the hills and looked for the best places for human habitation: Areas close to water that would have been sheltered from the harsh winter winds.
科学家们相信，在这片区域中，水可以液态形式存在，这使得一个行星可能适于人类居住。
That's the area where scientists believe water could exist, in liquid form, making a planet potentially habitable.
是的，关键在于这根铁管出现在一个完全不适合人类居住的地区——未曾在当地发现过文明存在的痕迹。
Well, for one thing, they're in an area that is completely inhospitable to man - no civilization is ever known to have lived there.
然而直到今天，还有许多人不能体会到植物贮藏二氧化碳从而使地球适合人类居住的重要功能。
Yet the importance of plants' ability to store carbon in making the planet habitable is still not widely appreciated.
它不能被驯养，它的肉也不能食用，而且它拥有人一样的智慧并且在人类居住的场所附近猎食。
It was untamable and inedible, yet possessed quasi-human intelligence and itself hunted close to human habitations.
它不能被驯养，它的肉也不能食用，而且它拥有人一样的智慧并且在人类居住的场所附近猎食。
It was untamable and inedible, yet possessed quasi-human intelligence and itself hunted close to human habitations.
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