particle

You can see the dust particles floating in the sunlight clearly.

你可以清楚地看见阳光下的灰尘颗粒。

Atoms are tiny particles of matter.

原子是物质的微小粒子。

The air was full of smoke particles.

空气中充满了烟雾颗粒。

Scientists study subatomic particles.

科学家研究亚原子粒子。

There was not a particle of truth in his story.

他的故事没有一点真实性。