They combine with dust particles from the comet to form a huge cloud.
它们与来自彗星的尘埃颗粒结合在一起，形成了巨大的云团。
The whole universe was a super-hot soup of radiation filled with these particles.
整个宇宙就像一碗充满这些粒子的超热辐射汤。
The whole universe was a super hot soup of radiation filled with these particles.
整个宇宙是充满这些粒子的热辐射汤。
When you actually wanna store information on disk, you can actually use magnetic particles.
当你想在磁盘上存储信息时，你可以使用磁粒子。
The solid particles were filtered from the solution.
固体颗粒从溶液中过滤出来。
Ink particles attach themselves to air bubbles and rise to the surface.
墨点吸附在气泡上，升到表面。
Neutrinos are mysterious particles.
中微子是一种神秘的粒子。
Aerosols: Tiny particles, big impact.
《悬浮颗粒：小颗粒，大影响》。
So where are these mysterious particles?
那么这些谜一样的粒子在哪里呢？
They would be particles of positive charge.
它们也许是带有正电荷的粒子。
They count where these particles hit the screen.
当粒子撞击到屏幕的时候就记录一次。
Heat sets these particles in random motion.
热量使这些粒子作随机运动。
There are 350,000 billion particles in this tube.
在这个试管里，共有350万亿个粒子。
The tiny particles can damage the heart and lungs.
这些细小的颗粒能损害心脏和肺。
And here is that tube which has these fine particles.
这是装有这些微粒的试管。
So, what we've got here is a source of alpha particles.
我们已经有了一个阿尔法粒子源。
He shot alpha particles which have a charge of plus two.
他入射的阿尔法粒子带有两个正电荷。
Light often behaves as if it were made of particles.
光常常表现出好象它是由粒子组成似的。
In other words, we cannot talk about individual particles.
换句话说，我们不能只研究单独的粒子。
Their chosen tools for this task are tiny particles of silver.
他们为达到这一目的选择的工具是微小的银粒子。
We can see the dust particles floating in the sunlight clearly.
我们可以很清楚地看到阳光下的灰尘颗粒。
They were quite satisfied to have just these two basic particles.
他们对仅有两种基本粒子这一点非常满意。
They seem to be metal particles that move along certain paths.
看起来是一些沿特定路径移动的金属微粒。
When these particles hit the moon, most stick to the lunar surface.
当这些粒子撞到月球时，多数粘在月球表面上。
Neutrinos are the only particles that seem to just spin anticlockwise.
而中微子是唯一似乎只会逆时针旋转的微粒子。
They suggested that all particles had no mass just after the Big Bang.
他们提出大爆炸最初所有的粒子都没有质量。
The only particles of positive charge known at that time were protons.
当时唯一知道的带有正电荷的粒子是质子。
In that time some of the particles get together and form antihydrogen.
这段时间内一些粒子聚合成反氢原子。
Until now, scientists were unsure of the net effect of these particles.
在这之前，科学家还不能确定这些颗粒造成的净效应。
He probably suspected it had solid particles that would block the holes.
他大概猜想这种物质具有固体颗粒会堵塞小孔。
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