Dark energy is pumping up the Universal expansion, causing it to accelerate.

暗能量使宇宙膨胀加速。

To maximize centrifugal acceleration, this anchor point should be close to the Equator.

为了使离加速度最大化，这个锚点应该要和赤道很接近。

Horror increases your heartbeat, makes you feel more alive.

恐怖会使加速 让感觉更有活力。

It pulls the Moon forward in its orbit a bit, like pulling on a dog's leash, accelerating it.

它会把月球往前拉一点，就像拽着狗链一样，使它加速。

And those don't make a system accelerate, only external forces are gonna make a system accelerate.

那些不会使系统加速，只有外力才能使系统加速。

And releases epinephrine and norepinephrine into the blood making your heart pump faster.

并会向血液中释放肾上腺素和降肾上腺素使加速。

Their job is to help push the sled and get it up to speed at the beginning of the race.

他们工作是在比赛开始时帮助推动雪橇，使其加速。

Adrenaline causes your heart to beat faster and raises your blood pressure, over time causing hypertension.

肾上腺素会使加速、血压升高，时间长了还会引发高血压。

Premonitions of future undreamt-of happiness made her heart beat.

对未来梦寐以求幸福预感使她加速。

So if you make the mass larger, if you double it, then your acceleration would be half as much.

如果让质量更大，再使它加倍，则加速度会减少为原来1/2因此，质量越大，使它加速所需要力就越大。

But there's something we've been leaving out: forces, and why they make things accelerate.

力，以及为什么它们使事情加速。

Ben found that it could slow down or speed up ships.

本发现它可以使船只减速或加速。

Otherwise, that net force m, would make the object accelerate.

否则，这些力量总和将使 元素正在加速。

We now know that the pandemic accelerated that by at least a decade.

我们现在知道，这场大流行至少使这一进程加速了十年。

Other forces act on moving objects, as well, like friction and air resistance, counteracting gravity, making this acceleration hard to see.

当然也有其他力作用在移动体上，如摩擦力和空气阻力，它们抵消了部分引力，使这种加速度很难被察觉。

At the same time, operators  elected to open the service spillway gates to double the flow rate and accelerate the lowering  of the reservoir.

与此同时，运营商选择打开服务溢洪道闸门，使流量加倍并加速水库下降。

Absolutely, one of the key advantages is its ability to really optimize train movements so that smoother acceleration and braking translates directly into reduced energy consumption.

绝对有，其关键优势之一就是能够真正优化列车运行， 使平顺加速和减速直接转化为减少能源消耗。

The project is called DEEP-IN, and its goal is to use electromagnetic acceleration to get ships close-ish to the speed of light -- fast enough that interstellar travel could actually make sense.

该项目称为 DEEP-IN，其目标是利用电磁加速使飞船接近光速——快到足以让星际旅行真正有意义。

Solving climate change will help solve a host of other problems. Ignoring it will only precipitate them, as we see with the link between the loss of biodiversity and zoonotic viruses like the coronavirus.

解决气候变化将有助于解决许多其他问题。正如我们在生多样性丧失与冠状病毒等人畜共患病毒之间联系中所看到那样， 忽视它只会使它们加速发展。