| 释义 |
mas·con AHD[măsʹkŏn'] D.J.[ˈmæsˌkɒn]K.K.[ˈmæsˌkɑn]n.（名词）- A mare on the moon having rock of greater density than that of the surrounding area, thus exerting a slightly higher gravitational force.质量密集：月球上的阴暗部，其内部岩石比周围地区的岩石的密度大，因此产生略大些的引力
- mas(s) mas(s)
- con(centration) con(centration)
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