| 释义 |
Astronomers know that Pluto and Triton have nearly the same size, mass, and density.天文学家知道冥王星与海卫一拥有几乎相同的体积、质量与密度。The law restricts the density of housing.法律限制房屋的密度。The sample's density is a measure of its purity.样品的密度是其纯度的一个计量单位。These instruments are used for measuring the density of the atmosphere.这些仪器是用来检测大气密度的。Water is eight hundred times denser than air.水的密度是空气的八百倍。 |