| 单词 | 密度大 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔density〕Lead has a high density.铅的密度大。剑桥高阶〔density〕The area has a high/low population density.该地区人口密度大／小。剑桥高阶〔dunite〕A dense igneous rock that consists mainly of olivine and is a source of magnesium.纯橄榄岩：一种密度大的大成岩，主要由橄榄石组成，是镁的一种来源美国传统〔edge effect〕The occurrence of greater species diversity and biological density in an ecotone than in any of the adjacent ecological communities.边界效应：群落交错区中产生的现象，其中的物种和生物密度大于任何邻近的生态群落美国传统〔mascon〕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美国传统〔saccharometer〕A hydrometer that determines the amount of sugar in a solution from density measurements.糖量计：根据密度大小来确定浓液中的糖的含量的一种液体比重计美国传统 |
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