A proton is an elementary particle of matter that possesses a positive charge.

质子是带正电荷的物质的基本粒子。

《柯林斯英汉双解大词典》

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Odd though it sounds, cosmicinflation is a scientifically plausible consequence of some respected ideas in elementary-particle physics.

宇宙膨胀说虽然听似奇特，但它是基本粒子物理学中一些公认的理论在科学上看来可信的推论。

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This is the first elementary particle to be discovered since the tau neutrino in 2001.

FORBES: If I Want To Look Well-Read And In The Flow, What Do I Need To Know About The Higgs Boson Discovery And Announcement?

The Higgs is a fundamentally new type of elementary particle that we have never seen before.

FORBES: If I Want To Look Well-Read And In The Flow, What Do I Need To Know About The Higgs Boson Discovery And Announcement?

The top quark is the heaviest known elementary particle, so there was reason for some excitement.

FORBES: If I Want To Look Well-Read And In The Flow, What Do I Need To Know About The Higgs Boson Discovery And Announcement?