Neutrinos are the lightest elementary particles we know of.

他说：“中微子是我们所知的基本粒子当中最轻的一个。

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Moments after the Big Bang, space was a hot, dense, seething froth of elementary particles and light.

在宇宙大爆炸之后，宇宙空间变成了基本粒子与光混杂的巨型泡沫-它温高浓密且沸腾不止。

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slide appears: "Elementary particles are the building blocks of all matter everywhere in the universe.

幻灯片出现：”基本粒子组成了宇宙里的所有物质。

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The Higgs mechanism explains why the building blocks known as elementary particles have mass.

BBC: Peter Higgs: honour for physicist who proposed particle

They also have to be shielded from the attentions of other elementary particles that might confuse the signal.

ECONOMIST: Particle physics

The first was that chance plays a fundamental role in the interactions of elementary particles, and therefore in the way the world works.

ECONOMIST: 100 years of Einstein