那匹种马四蹄离地狂跳，试图挣脱紧紧拴住它的缰绳。
The stallion bucked as he fought against the reins holding him tightly in.
它的最高点离地面有175米。
如果我们离地球足够远，我们就会发现那里没有空气。
If we go far enough away from the earth, then we will find there is no air.
它们将缓慢向上移动到距离地球30公里的太空边缘。
They will move slowly upwards right to the side of space, 30 km away from the Earth.
有些舞者可以在离地面仅20厘米的杆子下跳舞！
Some dancers can dance under a pole just twenty centimeters off the ground!
随着时间的推移，卫星失去了推进速度，使得地球对卫星的拉力大于把卫星推离地球的力。
As time goes by, the satellite loses its speed, which makes the force pulling it towards the earth stronger than the force pulling it away.
传统的空气污染监测仪通常安装在灯柱上，并被固定在距离地面约九英尺的空中。
Conventional air pollution monitors are normally fixed on lampposts at about nine feet in the air.
能被邀请到非营利性熊猫基地的后台，我感到非常荣幸。在那里，门票收入用来支付研究费用，我可以在600英亩的中心近距离地接触这些可爱的动物。
It was a great honour to be invited backstage at the not-for-profit Panda Base, where ticket money helps pay for research, I was allowed to get up close to these cute animals at the 600-acre centre.
离地面越高，温度越低。
哈雷意识到水星离地球如此之远，以至于很难确定它的视差角。
Halley realised that Mercury was so far away that its parallax angle would be very difficult to determine.
它们离地面很近，但是这些蓝莺也会在灌木密度低的森林里面筑巢。
They're pretty close to the ground, but these warblers also nest in forests that have low shrub density.
在她到达二楼的时候——离地面只有30英尺的时候——他抓住了她。
By the time she was level with the 2nd Floor—and only 30ft from the ground—he grabbed her.
每个房间都有一个舒适的夹层区域和一个离地约八米的鹿角围栏阳台。
Each has a snug mezzanine area and an antler-fenced balcony about eight metres above ground.
在泥土中寻找种子和昆虫，咯咯地叫，在风中扑打着翅膀，只飞离地面几尺高。
Scratch in the dirt for seeds and insects, cluck and cackle and fly just a few feet off the ground with wings thrashing in the wind.
当这些负电荷距离地面不到100米时，会遇到一股来自地面的正电荷粒子流。
When a stream of these negatively charged electrons comes within 100 meters of the ground it is met by a stream of positively charged particles that comes up from the ground.
他跪下来，在离地面不远处，用他的刀向那根看上去毫无生气的树枝砍了下去。
He knelt and with his knife cut the lifeless-looking branch through, not far above the earth.
卫星以11.2千米每秒的速度前进可以脱离地球引力，这被称为“逃逸速度”。
Eleven point two kilometers per second, at which satellites can be freed from the gravitation of the earth, is called "escape speed".
天文学家在距离地球不远处发现一颗小行星，它与地球在同一轨道上围绕太阳运行。
Astronomers have detected an asteroid not far from Earth, moving in the same orbit around the Sun.
事故发生时，这架单引擎飞机正在离地几英尺的空中悬停准备降落，此时遇到了阵风。
The mishap occurred when the single-engine aircraft was caught by a gust of wind while hovering a few feet above the ground before landing.
冥王星不属于这两类，因为它离地球太远，体积又小，使得它的真正性质成为一个谜。
Pluto is not included in either category, because its great distance from Earth and its small size make this planet's true nature a mystery.
最糟糕的轰炸——包括将大块物质撞击得脱离地球形成月球巨大碰撞——已经结束了。
The worst of the bombardment—including the colossal impact that knocked loose the chunk that became our moon—was over.
石神让岩石变大，并把女孩们举离地面很远，而岩石的四周则被愤怒的熊的爪子划出痕迹。
The god caused the rock to grow and to lift the girls far above the ground, while its sides were scored by the claws of the angry bears.
美国政府官员将批准私营太空公司月球快车在2017年底执行的一项脱离地球轨道的任务。
U.S. government officials are set to approve a mission by privately-held space company Moon Express to travel outside of Earth's orbit in late 2017.
例如，无论一个舞者多么想要跳离地板，然后开始旋转，角动量守恒定律绝对阻止这样的动作。
For example, no matter how much a dancer wishes to leap off the floor and then start turning, the law of conservation of angular momentum absolutely prevents such a movement.
NASA计划以其未来大部分逃离地球的载荷（特别是前往月球和火星的）来运载立方体卫星。
NASA plans for most of its future Earth-escaping payloads (to the moon and Mars especially) to carry Cube Sats.
第一个是一对质量与木星差不多的行星，这对行星步调一致地围绕距离地球15光年的母恒星旋转。
The first is a pair of planets, each about the mass of Jupiter, that whirl around their home star 15 light years from Earth in perfect lockstep.
逃逸速度就是一个物体的速度，比如说，从加农炮中射出的最小初始速度，这样这个物体以后就可以自己脱离地球的引力。
Escape velocity is simply the speed of an object that's shot out of a cannon the minimum initial speed so that the object could later escape Earth's gravity on its own.
在宇宙中最引人注目的能量工厂——距离地球数十亿光年的类星体和伽马射线爆发——中寻找这些物质的来源似乎是明智的。
It would seem sensible to seek the source of these in the universe's most conspicuous energy factories: quasars and gamma-ray bursts billions of light-years away from Earth.
由于金星离地球更近，所以它的视差角会更大。哈雷计算出，利用金星可以测量出太阳与地球之间的距离，误差为五百分之一。
As Venus was closer to the Earth, its parallax angle would be larger, and Halley worked out that by using Venus it would be possible to measure the Suns distance to 1 part in 500.
由于金星离地球更近，所以它的视差角会更大。哈雷计算出，利用金星可以测量出太阳与地球之间的距离，误差为五百分之一。
As Venus was closer to the Earth, its parallax angle would be larger, and Halley worked out that by using Venus it would be possible to measure the Suns distance to 1 part in 500.
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