mean density of the Earth 地球平均密度
The Moon's mean density is much lower than that of Earth but is about the same as that of Earth's mantle.
月球的平均密度比地球低得多，但与地球的地幔密度大致相同。
The core of the Sun has a density almost 150 times the density of water on Earth.
太阳中心的密度相当于地球水体密度的一百五十倍。
Part of that evidence comes from its density and part from hundreds of chunks of rock, in the form of meteorites, that have been examined by Earth-bound scientists.
该证据的一部分来源于灶神星的密度，另一部分来源于数以百计以陨石形状存在的大块岩石，地球科学家们已对这些岩石进行过研究。
应用推荐