Signals from the free radicals may then move to nerve cells in cluster n, ultimately telling the birds where north is.
来自游离的活性基的信号接着就可能转移到clusterN中的神经细胞里，最终会告诉鸟类北方在哪。
The story starts in the streams and lakes of the northwestern United States, where North American signal crayfish are a familiar sight.
它们起源于美国西北部的溪流和湖泊，美国北部的人民对小龙虾已经见怪不怪了。
They simply feel where north, south, west and east are, just as people with perfect pitch feel what each note is without having to calculate intervals.
他们轻而易举地就感知东南西北，正如有的人拥有绝佳音高感，无需计算节拍间隙就能够知道每个音符的音高。
When Guugu Yimithirr speakers were asked how they knew where north is, they couldn’t explain it any more than you can explain how you know where “behind” is.
当说Guguu Yimithirr语的人被问到，他们是怎样知道北方的位置，他们不会解释。 正如同你不会解释你是怎样知道“后面”是哪里这样的概念。
Where Marcella lives, the rents are fairly cheap, but a little further north it's a different story.
在马斯拉住的地方房租相当便宜，但再往北一点儿情况就不同了。
The southern frontier of the desert was far to the north of where it is now, while semiarid grassland and shallow freshwater lakes covered much of what are now arid plains.
过往沙漠的南部边界比现在的边界更靠北，而半干旱的草原和较浅的淡水湖泊覆盖了现在干旱平原的大部分地区。
Way up north in the Canadian Arctic, seabirds are picking up dangerous chemicals in the ocean and delivering them to ponds near where the birds live.
在加拿大北极的北方地区，海鸟在海洋中衔起危险的化学物质，并将它们运送到鸟类生活的池塘附近。
They went farther north into the deep forests of Canada, where there were fewer humans around.
他们往北走到加拿大的森林深处，那里少有人烟。
So it was easier to discern the order in the sky than farther north or farther south, where everything would seem more chaotic.
因此，这里更容易辨别出天空中的某种顺序；而在比这里更北或更南的地方，似乎一切都显得杂乱无章。
Bihar, a few hundred miles north of Kolkata, is where the vast majority of rickshaw pullers come from.
绝大多数人力车车夫都来自加尔各答以北几百英里的比哈尔。
Way up north in the Canadian Arctic, seabirds are picking up dangerous chemical in the ocean and delivering them to ponds near where the birds live.
在加拿大北极的北方地区，海鸟在海洋中捡起危险的化学物质，并将它们运送到鸟类生活的池塘附近。
North of the border, where price controls reign, those same brand-name drugs cost 50% to 80% less.
在边境以北，价格控制盛行，同样的名牌药品价格要低50%到80%。
Although mobile charges fell across the board on average, prices remained high in North America where users often have to pay to receive a call.
尽管国际平均移动电话收费下降了，但北美的收费还是居高不下，那里的手机用户通常接听也要交钱。
What's more, three of her uncles, all baseball aficionados, were buried at the site of a North Carolina field where they once played.
此外，他的三个叔叔都是棒球爱好者，都被埋葬在北加利福尼亚球场--他们曾比赛的地方。
In our version we added a score from composer Danny Madorsky who spends his winters north, where the winds blow through Harlem, but I digress...
在我们的版本中，我们增加了一段作曲家丹尼-马德尔斯基的插曲，他在北部的哈林过冬，那里寒风呼啸，我扯远了...
I studied in North Carolina where I developed a keen interest in international affairs.
我曾经在北卡罗莱纳州求学，在那里，我对国际事务产生了浓厚兴趣。
So it would make sense to move Switzerland north, where it would fit neatly into the Nordic countries.
因此让瑞士北移是有意义的，在那里它刚刚好可以磨合融入波罗地海诸国。
In parts of the north Caucasus, where the train bombings seem to have been planned, signs of anarchy and civil war have been evident for some time.
在北高加索部分地区，那里的火车爆炸事件似乎已经在计划之中，混乱和内战的迹象在一段时间以来已经很明显了。
They drove north back home, where he would start chemotherapy at a cancer center in Erie.
他们驱车向北返回家中，要在伊利肿瘤治疗中心开始进行化疗。
First, the future king and his wife will return home to Anglesey, North Wales, where The Prince is an RAF search and rescue pilot.
首先，这个未来英国的国王将和他的妻子回到威廉王子目前的住处，北威尔士的安格西，威廉王子作为皇家空军的搜寻救助飞行员的地方。
It may be an academic point, especially in the north, where victory for anyone but the NCP already seems unlikely.
这可能是一个学术观点，尤其是在北部，除了全国大会党之外其他任何人已经似乎没希望了。
Most of them come from the north, especially Khartoum, where they are barely tolerated.
大多数返回的人都来自北方，尤其是喀土穆，他们在当地几乎不能被接纳。
In Mosul, the biggest city of the north, where the coach of Iraq's karate team was recently shot dead, bombings are still going on, though at a reduced rate.
在伊拉克北方最大城市摩苏尔，伊拉克空手道队的教练也被射杀了。虽爆炸发生的频率有所下降，爆炸袭击仍在继续。
While residents in the south brace for rain, Queenslanders are preparing for fires to erupt with the unseasonally dry weather in the far north where firefighters battled several blazes yesterday.
当南部的居民已做好防雨准备时，昆士兰居民正在为最北方因非季节性干旱天气引发的大火做准备，这里消防人员昨天已扑灭了几场大火。
The icebergs that have these glaciers will eventually move north into warmer waters, where they will melt.
冰川崩溃后残留的冰山最终进入北部温暖的海域，并最终融化。
Many farmers in the Pacific north-west, where America's hop production is concentrated, have turned to more profitable lines-especially corn, which can be made into ethanol.
美洲的蛇麻生产地主要集中在西北太平洋地区，现在这里的农民已经种植了其他农作物特别是更有利可图的玉米，因为玉米可以用来制作酒精。
The least number occurred in North Dakota, where there were two bank robberies.
最太平的地方属北达科他，一年只发生了2起劫案。
He and his wife live in North Carolina, where he is a psychiatrist.
他和妻子住在卡罗莱纳州北部，他是一名精神病医生。
Lift up your eyes, and behold them that come from the north: where is the flock that was given thee, thy beautiful flock?
你们要举目观看从北方来的人。先前赐给你的群众，就是你佳美的群众，如今在哪里呢。
Lift up your eyes, and behold them that come from the north: where is the flock that was given thee, thy beautiful flock?
你们要举目观看从北方来的人。先前赐给你的群众，就是你佳美的群众，如今在哪里呢。
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