零食美味英文词典

overdensity

O 开头单词

基本解释

  • n.異常密度

同根派生

     

英汉例句

  • At a certain point, the overdensity of the region compared with its surroundings becomes so pronounced that its gravitational attraction overcomes the cosmic expansion.The region starts to collapse.
    到了某個時刻，此區域的密度比周遭高太多，導致相吸的重力壓倒宇宙膨脹，區域就開始塌縮。