overdensity
基本解释
- n.異常密度
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。