And dark matter: that mysterious stuff we can't see but that clearly affects ordinary matter.

而暗物质是一种我们看不到的神秘物质，却明显能对普通物质构成影响。

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These beams provide new ways to study how antiparticles interact or react with ordinary matter.

这道反粒子束就能为我们提供研究反粒子是如何是作用于普通物质并与之相互作用的全新途径。

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There are two types of matter in the universe: ordinary matter, including the material that makes up stars.

宇宙中存在两种物质：普通物质和暗物质。

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If the very idea of soul that we're working with here under the dualist picture is the soul as an immaterial substance, it's not made of ordinary atomic matter.

如果关于我们正在讨论的,观点是建立在二元论的基础上,即灵魂是非物质实体,它并非由一般的原子物质组成

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WIMPs (also not yet observed because, as the name suggests, they would practically never interact with ordinary matter).

ECONOMIST: The dark side of cosmology

This is because most cosmologists reckon that the Big Bang could not have generated nearly enough ordinary matter--dark or light--to create a closed universe.

ECONOMIST: The dark side of cosmology

Research is ongoing to figure out precisely what these "dark" components are, because they do not interact with ordinary matter and have never been directly detected.

CNN: Space station detector gives first clues to 'dark matter'