基本解釋n.異常密度同根派生 overdensity相關(guān)詞英漢例句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(gè)時(shí)刻，此區(qū)域的密度比周遭高太多，導(dǎo)致相吸的重力壓倒宇宙膨脹，區(qū)域就開始塌縮。overdensity更多例句