Either way, if its roots are pulled up from out of the ground as the tree topples over, then there's usually a big hole, a pit left in the ground where the roots used to be.
无论是哪种原因，如果树倒在地上时树根从地下被拔起，那么地面通常会有个大洞，在原来树根所在地留下一个坑。
Attracting numbers of birds continually to the same spot can be harmful to them, particularly species that pick food from the ground contaminated by the droppings of other birds.
持续吸引大量的鸟类到同一地点对它们来说是有害的，尤其是那些在被其他鸟类粪便污染的土地上觅食的鸟类。
This could be the leaves turning from green to yellow or red, the leaves falling to the ground, or the first signs of holly berries.
这可能是叶子从绿色变成黄色或红色，叶子落在地上，或冬青浆果的第一个迹象。
Bullets will be plucked from biathlon targets and recycled to keep the lead from poisoning ground water.
子弹将从冬季两项的射击目标上取出并回收，以防止铅污染地下水。
Their seed heads raised just high enough above the ground to catch the wind, the plants are no bigger than they need be, their stems are hollow, and all the rigidity comes from their water content.
它们的种子的顶端向上生长，其距离地面的高度刚好可以接触到风；它们的体型大小也刚好是生长所需的尺寸；它们的茎是空心的，且仅仅是通过体内的含水量来保持自身的坚挺。
The aquifers range from 1,000 to 3,000 feet below the ground, which means that pumping will be expensive and there are other concerns.
地下含水层位于地下1000到3000英尺之间，这意味着抽水成本很高，还有其他接踵而来的问题。
I never thought that the young would be hanging out on the ground, growing and gaining strength as its parents guarded it from above.
我从来没有想过，幼崽会在地上游荡，在父母的保护下成长壮大。
What Obama needs - and explicitly asks for - from Europeans is not awards, but troops on the ground and willing to be shot at in Afghanistan.
奥巴马需要欧洲人提供的也已经明确提出要求的，不是什么奖项，而是愿意在阿富汗被当作靶子的地面部队。
The idea of "piloting" aircraft automatically from a control room on the ground or even from another aircraft could be extended to larger planes.
从地面控制室或另一架飞行器上控制飞行器自动飞行的想法已经扩展到大型机上了。
Falling too slowly-if you have made the mistake of leaping from something near the ground, like a church tower-could be fatal, too, as the parachute may fail to open fully.
假如你离地面太近地方起跳比如- - -教堂顶同样是致命的错误，因为你的降落伞很可能不完全打开。
The elevator that runs from the ground floor to the fifth floor will be replaced and will ascend and descend in a new, fire-resistant shaft.
原从地面至五楼的电梯将被更新，同时风井将改为防火的。
The resulting technology will allow unattended ground sensors to be launched into target areas from a distance.
这将允许无人值守地面传感器（UGS）可以被发射到一定距离之外的区域。
People on the ground hear a voice from the cloud, though what it says may be forever unknown due to a tear in the papyrus.
地面上的人们听到了云中的声音，而这声音说的什么却可能因为纸草书上的一道撕口而永不为人所知。
Although such a cloud would pose virtually no threat while in the upper atmosphere, the fallout at the ground of radioactive particles from it should be a concern for any monitoring authority.
虽然这种云在高层大气中几乎不构成任何威胁，但是它在地面散发出的放射粒子的余波应该是任何监管机构所关注的。
One essential tool is adaptive optics technology, which, in effect, takes the twinkle out of the stars, thus providing sharper images from telescopes on the ground than would otherwise be possible.
一个重要的工具就是自适应光学技术，实际上就是通过地面上的望远镜将恒星的闪耀去除，从而比采用其他方法能提供更为明显的图像。
He must be reminded that the world demands the truth as seen and distilled from the ground.
他必须清楚的是，世界需要得知那些从地面观察到的甄选出的真相。
Up close the cow appears to be stretched from head to toe, but when viewed from the ground the cow regains normal proportions.
从上方靠近母牛看可以发现它的形象从头到脚被纵向拉长，但从地面往上看母牛却还是正常的比例大小。
The lineman must be isolated from the ground by using an insulated bucket truck or other method.
接线员一定是通过使用绝缘斗卡车或其它方法才与地面绝缘。
New applications are designed to support XML from the ground up, but it will be years before all existing applications are converted.
新设计的应用程序完全支持XML，但是所有现存的应用程序转换完成还需要几年的时间。
On slightly firmer ground, the authors elaborate on the familiar point that most of the damage from a changing climate will be felt in poor countries.
作者用一种坚定的立场详细的阐述了同样的观点：大部分由于气候变化带来的灾难在贫穷的国家能够感受到。
Health physicists knew that workers at ground level would be exposed to radiation from buried materials and to radiation emanating from the shelter.
但健康物理学家清楚，这样会使地面上的工人们暴露在掩埋核原料和遮蔽建筑本身散发的辐射之中。
If the burst does not penetrate the surface, the only other hazard will be from ground or water shock.
如果爆炸没有穿透表面，那么地面或水面冲击是唯一能够带来伤害的。
To be fair, Coca-Cola is doing some good things in Darfur, from providing immediate relief on the ground to meeting other "stakeholders" to try to figure out solutions to the crisis.
公平地说，可口可乐正在达尔富尔做一些善事，从在战场上提供紧急援助到与其他利益相关者接洽试图找到解决危机的办法。
These can be any size, from the ground-cover rose 'Sweet Haze', to gigantic Alba roses.
灌木玫瑰大小各异，从匍匐在地面的“甜雾”，到巨大的阿尔巴玫瑰。
Yet over 60% of all the rain and snow that hits the ground cannot be captured because it evaporates from the soil or transpires through plants.
而且落到地面的雨水和雪水中有60%在人们能够采集利用之前就通过土壤和植物散失掉了。
The bridge can't be seen from a distance because the ground and the water come all the way up to its edge.
在远处是看不见这座桥的，因为从远处延展而来的地面和水面与桥的顶部边缘平齐了。
There will be no replacing oil. Instead, we must very quickly build a culture structured from the ground up on something different, something we must imagine and forge in just a few decades.
我们不会去寻找石油的替代品，我们会快速的建立起一种新的文化结构，这种文化将基于不同的东西，我们可以在未来几十年内构想并打造出的东西。
The Center will be a testing ground for everything from intelligent traffic systems to next-generation wireless networks and smart-grid cyber security systems.
中心城将会成为各种新发明——从智能交通系统到新一代无线网络技术以及智能电网网络安全系统——的试验基地。
Observations from ground, air and satellite of the ash's extent at specific times might be used to create a series of model runs that would track it better.
地面观测点，特定时间内空气和火山灰范围的卫星图片可以用来建立一系列更好跟踪火山灰的模型。
At the very least, his ground forces will need to be pushed back from Benghazi and other rebel areas, if civilians are to be protected from attack.
从轻的方面来看，至少也会让卡扎菲的陆军会受到来班加西以及其他叛变地区的回击，当然这是以平民在保护下免受攻击为前提的。
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