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  • word of the day

    dark matter

    dark matter - 365bet中国官方网站 definition and meaning for word dark matter

    Definition
    (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

  • Word used in video below:
    text: got these sort of dark wood dark wooden
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