Most birds have to fly long distances to migrate.
大多数的鸟类不得不飞行很长的距离进行迁徙。
Paul has to drive very long distances as part of his job.
开长途车是保罗工作的一部分。
People are prepared to commute long distances if they are desperate for work.
亟须得到工作的人会愿意长途乘车往返上下班。
The infinite distances of space are too great for the human mind to comprehend.
太空的无垠距离遥远得让人类的大脑无法理解。
He developed a mathematical formula describing the distances of the planets from the Sun.
他提出了一个描述各行星与太阳之间距离的数学公式。
The group is working to promote the adoption of broadband wireless access over long distances.
该集团正在致力于推广远距离宽带无线访问的采用。
The bat judges distances by a kind of echo-location.
蝙蝠用一种回声测定法来判断距离。
The parallax principle can be extended to measure the distances to the stars.
视差原理可以扩展到测量地球到恒星的距离。
Bottled water is often carried for long distances to reach people who buy it.
瓶装水经常被长途运送到购买它的人那里。
The boats are anchored at regular distances and they carry the weight of the bridge.
这些船每隔一定的距离就会被锚定，它们承载着桥的重量。
No-one had found a way to calculate accurate distances to the planets from the Earth.
还没有人找到方法来计算从地球到行星的精确距离。
Vision is used by micro bats to travel over long distances beyond the range of echolocation.
微型蝙蝠利用视觉进行超出回声定位范围的长距离飞行。
Driving through snowstorm on icy roads for long distances is a most nerve-racking experience.
在冰天雪地的道路上长距离驾车穿过暴风雪是一种最惊心动魄的经历。
Roman pottery was transported not only in large quantities but also over substantial distances.
罗马的陶器不仅运输量大，运输距离也很遥远。
In forests, visual signals can be seen only at short distances, where they are not obstructed by trees.
在森林中，视觉信号只能在没有树木遮挡的地方在短距离内被看到。
More consumers travel longer distances to and from work, which also makes out-of-home advertising effective.
越来越多的消费者通勤的距离越来越远，这也使得户外广告的效果更好。
First of all, because food travels such long distances, we need more planes, trucks and ships to move the food.
首先，因为食物运输的距离太长，我们需要更多的飞机、卡车和船只来运送食物。
There are, of course, animal species that require large areas of habitat, and some migrate over very long distances.
当然，有些动物物种需要大面积的栖息地，有些则需要长途迁徙。
A transportation expert told the reporter that job growth likely plays a part as well, along with some people driving longer distances to and from work.
一位交通专家告诉记者，就业的增长可能也起到了一定作用，再加上一些人通勤距离加长。
Less colorful birds and animals that inhabit the rain forest tend to rely on forms of signaling other than the visual, particularly over long distances.
热带雨林中居住的不那么鲜艳的鸟类和动物，往往依赖于视觉以外的信号形式，尤其是长距离的信号。
In arid and semiarid regions, on the other hand, the small number of lakes and the great distances between them reduce the possibilities for correlation.
另一方面，在干旱和半干旱地区，湖泊数量少，湖泊之间距离远，减少了相互关联的可能性。
Less colorful birds and animals that inhabit the rain forest tend to rely on other forms of signaling other than the visual, particularly over long distances.
生活在雨林中、且色彩并不那么亮丽的鸟类和动物往往依赖于视觉信号以外的其他信号形式，尤其是在传递长途信号的情况下。
Further evidence for persistent internal rhythms appears when the usual external cycles are shifted—either experimentally or by rapid east-west travel over great distances.
进一步的证据表明，当通常的外部循环被改变时——无论是通过实验还是通过快速的东西方向的长距离移动——就会出现持久的内部节律。
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