| 例句 |
Some astronomers have posited that the universe is made up of mysterious dark matter.一些天文学家提出了假设，认为宇宙是由神秘的暗物质构成的。Our research is focused on dark matter and in particular what we can learn about it using astrophysics.我们的研究重点是暗物质，尤其是如何利用天体物理学中来了解它。Dark matter gives out no light and is detectable only because of its gravitational effect on visible matter.暗物质不发光，它之所以能被发现，只是因为它对可见物质产生引力作用。 |