dark matter
英
美
- 暗物质
详细释义
Noun:
-
(cosmology) a hypothetical form of matter that is believed to make up 90 percent of the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force
双语例句
- The problem is that dark matter is invisible.
问题在于暗物质看不见。 - As it moves outward, it's slowed down by the gravity of matter all around it.
在暗物质向外扩张的过程中，其扩张速度由于周围物质的引力而减缓。
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