I don't think you realise the gravity of the situation.
我认为你没有意识到形势的严重性。
How low gravity affects the human body.
低重力如何影响人体。
Nothing is pulling on you, only gravity.
没有任何东西在拉你，只有重力。
With no gravity, it's just as easy to pedal.
在没有重力的情况下，踩起踏板来很容易。
Otherwise gravity will pull you back down to the Earth.
否则，地心引力会把你拉回地球。
It is to get the rocket going fast enough to escape Earth's gravity.
是为了让火箭的速度足够快，足以逃离地球的引力。
There is more stuff in the space than we can see, and that the gravity of this stuff is holding everything together.
宇宙中存在着比我们所能看到的更多的物质，而这些物质的重力将所有的东西都聚集在一起。
The Chinese used a gravity meter to correct for local deviations in sea level.
中国人用重力仪来校正海平面的局部偏差。
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。
The stone rolled down the mountain by gravity.
这块石头由于重力作用而滚下山。
How do animals deal with lack of gravity?
动物是如何应对失重的？
Gravity had always been, but Newton "discovered" it.
引力一直都是存在的，只是牛顿“发现”了引力。
They were not used to the low-gravity environment.
他们不习惯低重力环境。
The plane defied the laws of gravity.
这架飞机经受住了引力定律。
Because gravity is in this direction.
因为重力是这个方向的。
The next parameter is the direction and speed of gravity.
下一个参数是重力的大小和方向。
Well, that is the difference between the equation with gravity and without gravity.
该差值即是存在重力,与不存在重力方程的解之差。
It stems from the character of gravity.
它源于引力自身的特性。
When I do positive work, gravity does negative work.
当我做正功的时候，重力做的是负功。
可以利用重力。
You cannot walk up against gravity.
你无法逆着重力运动。
It's a natural constant, like the constant of gravity.
但这是一个自然常数，像重力常数一样。
The only force holding them together is gravity.
重力是让它们连为一体的唯一作用力。
You can build better gravity sensors.
你可以开发更好的重力传感器。
Nature, gravity provides that torque.
自然，重力提供了力。
They're a direct result of gravity.
它们是重力作用的直接结果。
The surface is perpendicular to gravity.
它们平面垂直于重力。
Instead, the water moves via gravity.
相反，水自动通过重力移动上来。
Positive support is like gravity.
积极性的支持就像重力。
Positive support is like gravity.
积极性的支持就像重力。
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