It's a pulsating star that swells and shrinks periodically.

它是一颗脉动的恒星，周期性地膨胀和收缩。

We can see how our veins and arteries are pulsing in our bodies.

我们可以看到体内静脉和动脉的脉动。

The pocket is when musicians are locked to each other's pulse.

同步演奏值得是音乐家们锁定彼此的脉动。

So state fairs are sometimes called the beating heart of the United States.

因此，州博览会有时被誉为美国的脉动之心。

I made 27 grand last year sellin' marmalade. That's not bad.

抓住他们生活的脉动 那就是我的名言。

In the early 1900s, astronomer Henrietta Swan Leavitt realized a class of stars called Cepheids pulsate, bright and dim, and every Cepheid that pulsates at the same rate has the same brightness.

1900 年代早期，天文学家 Henrietta Swan Leavitt 发现一系列名为造父变星，它们有规律地变亮和变暗，并且每个造父变星以相同的率脉动就会有着相同的亮度。

Seeing birds fly in front of the moon or hearing the calls from above, I found really thrilling because it felt like I was tapping into this vast mysterious pulse-of-the-planet phenomenon that was just so much bigger than me.

看到鸟儿在月亮前飞翔，或者听到头顶天空传来的鸟鸣，我觉得非常激动人心，因为这感觉就像我正在探索这个巨大而神秘的星球脉动现象，它比我想象的要大得多。

No two actions are ever identical. We must mention here also a little regarding pulsations and the appearance or semblance of continuity. Every action involves a pulsation; you will recall we spoke of the pulsation of atoms and molecules.

有个行动是完全相同的。我们还必须在此提及一点关于脉冲和连续性的外貌或表象。每一个行动都涉及到脉动；你会记得我们曾谈到原子和分子的脉动。

Ove is not sure how long he stays there on the stool, sitting with the drill in his hand and his heart beating so hard that he feels the pulse inside his head.

欧维也不知道自己拿着冲击钻在凳子上坐了多久，心脏怦怦跳着，能感觉到脑袋里的脉动。

Electric impulses within atoms and molecules are part of the structure of your physical universe, while matter is not perceived directly in the electric field itself.

原子和分子的电性脉动是你们物质宇宙结构的一部分，而物质在电性场域本身之并不被直接感知。

The veins in the raised left hand are delicate, while the veins in the hanging right hand are pulsing and more well-defined.

举起的左手上的静脉很柔和，而悬挂的右手上的静脉是充满脉动的，更加清晰。

By simply tracing our outbreath, we realize the reciprocity between all major kingdoms of life pulsing with one harmonious rhythm.

只要追溯我们的呼气，就能明白所有生命王国间的互惠关系脉动着一个共同的和谐节奏。

A lot of other phenomena could masquerade as planets, like starspots, or pulsating stars, or background stars messing up the measurements.

许多其他的天文现象也可能伪装成行星，比如恒星黑子，或脉动的恒星，或隐藏恒星扰乱了测量。

Which says that a star that takes longer to pulse is intrinsically brighter than a star that pulses quickly.

该定律说，一颗需要较长时间脉动的恒星在本质上比一颗快脉动的恒星更亮。

Because the stars pulsate at regular times, researchers could see them through the galaxy's clouds of dust.

由于恒星发生脉动是有规律的，研究人员可以通过星系的星际尘埃云看到它们。

This means that just by measuring the rate of pulsing, which might be days or weeks, and by seeing how bright the star appears from Earth, an astronomer can find out how far away it is.

这意味着，天文学家仅通过测量脉动的率（可能是几天或几周），以及通过观察从地球上看这颗恒星有多亮，就可以知道它离我们有多远。

He can feel his pulse in his throat.

他感觉到脖子上的脉动。

Ruburt, as I mentioned earlier, has always felt a kinetic unity with the earth, and experiences in a watered-down fashion the seasonal burying of seeds.This results in a claustrophobic reaction that is lessened with the coming of your spring.

鲁伯，如我先前所说，一直觉得自己与大地的脉动合一，并以一种淡化的方式经 历着季节性的埋藏种子。这导致了一种幽闭反应，而这种幽闭反应会随着你们春 天的来临而减轻。

They're pulsating bodies don't hold a brain, or a heart or any other organ that we'd recognize.

它们的脉动身体有大脑、心脏或者我们认得出的任何器官。

Now if two Cepheid stars are pulsating at the same rate, and one's dimmer than the other, that means one is actually farther away.

如果个造父变星以相同的率脉动，并且其一个比另一个更加暗淡，这就意味着更暗的那个更远。