The earth's gravity slows the moon's rotation, matching it to the speed of its orbit.
地球引力减缓了月球的自转速度，使之与其轨道的速度相匹配。
Most astronomers believe that the large concentration of mass at the galaxy's center is a black hole whose gravity is causing the gas to whirl.
大多数天文学家认为，星系中心的大量物质是一个黑洞，它的引力导致气体旋转。
Words like "acid", "gravity", "electricity" and "pendulum" had to be invented just to stop their meetings turning into an endless game of charades.
像“酸”，“重力”，“电”和“钟摆”这些词不得不被发明出来，只是为了防止他们的会议变成一场无止尽的字谜游戏。
On the other hand, a comparatively warm body with a small surface gravity, like Earth's moon, is unable to hold even the heaviest gas and thus lacks an atmosphere.
另一方面，像地球的卫星这种相对温暖、表面引力较小的天体，它们连最重的气体也无法容纳，因此也没有大气层。
More importantly, scientists are already queuing for seats on these low-gravity space-flight services so they can collect data during a few minutes of weightlessness.
更重要的是，科学家们已经在排队争取这些低重力太空飞行服务的座位了，这样他们就可以在几分钟的失重状态下收集数据。
One thing that physiologists have learned is that without gravity our bodies begin to lose strength, leaving astronauts with weakened bones, muscles and cardiovascular systems.
生理学家发现，失去重力后身体会失去力量，这使得宇航员骨质疏松、肌肉松弛，心血管功能也相应退化。
He was struggling to find the right equations that would describe his new concept of gravity, ones that would define how objects move through space and how space is curved by objects.
他一直在努力寻找合适的方程来描述他的新引力概念，这些方程将定义物体如何在空间中移动，以及物体是如何扭曲空间的。
Astronomers theorize that a black hole forms when a massive object shrinks catastrophically under its own gravity, leaving only a gravitational field so strong that nothing escapes it.
天文学家的理论是，当一个巨大的物体在其自身的引力作用下灾难性地收缩，只留下一个强大的引力场，且没有任何东西能逃脱时，黑洞就形成了。
There was an appealing gravity to everything she said.
她说的一切都带有一种吸引人的严肃与庄重。
All these vocational names carry with them a certain gravity and dignity, which descriptive names often lack.
所有这些职业名称都带有某种庄重和尊严，这是描述性名称所缺乏的。
They were asked to behave with the gravity that was appropriate in a court of law.
他们被要求在法庭上表现出应有的严肃态度。
On Earth, gravity helps a plant's stems and roots to find "up" and "down".
在地球上，重力有助于植物的茎“向上”生长，根“向下”生长。
After a year of research, the team came up with a gravity-driven hand-washing machine successfully.
经过一年的研究，该团队成功研制出了一种重力驱动的洗手机。
The moon's gravity is a sixth as strong as the earth's, so Chang'e-4's experiment was a test: would the earth plants know which way was up on the moon?
月球的引力是地球引力的六分之一，所以嫦娥四号的实验是一个测试：地球上的植物能知道月球上哪个是向上的方向吗？
This is a gravity-defying hat.
这是一顶傲然挺立的帽子。
Falling in love, not because of gravity.
坠入爱河，不是因为万有引力。
The only force holding them together is gravity.
重力是让它们连为一体的唯一作用力。
She is a force of gravity in her long gray dress.
灰色长裙下的她就像一股地心引力牢牢将他吸住。
We are fully aware of the gravity of the situation。
我们十分清楚形势的严峻性。
Slide - picture of basket of apples - "Newton and gravity."
幻灯片出现：一篮子苹果—牛顿和万有引力。
Dark energy basically works against gravity in a tug-of-war.
大体上，暗能量在与引力展开一场拉锯战。
The London market looks likely to defy gravity for a while longer
似乎伦敦房市将无视“地球引力”，继续“天价”一段时日。
We understand the gravity of the climate threat. We are determined to act.
我们了解气候问题的严重性，我们决心采取行动。
Time management is like gravity. Too much of it, and we're stuck in place.
时间规划就像重力，过多则固步不前，过少则飘然若失。
Sir Isaac Newton supposedly discovered gravity through the fall of an apple.
据称艾萨克·牛顿爵士通过苹果落地，发现了万有引力。
The experiments help visualise how light travels in space warped by gravity.
实验有助于形象化地显示光在被引力所弯曲空间内的传播情况。
The effect of gravity diminishes with distance, but it never truly goes away.
重力的作用随着距离的增大而减小，但是不可能完全消失。
The effect of gravity diminishes with distance, but it never truly goes away.
重力的作用随着距离的增大而减小，但是不可能完全消失。
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