证据表明灶神星有着和地球一样被岩石地幔覆盖的镍铁地核。
The evidence suggests it has a nickel-iron core like the Earth's, overlain by a rocky mantle.
有证据表明它的地核也象地球一样由镍、铁元素组成，表面由岩石地幔覆盖。
The evidence suggests it has a nickel-iron core like the Earth’s, overlain by a rocky mantle.
有人认为外地核主要是由在高温下处于熔态的铁和镍构成的。
The outer core is believed to be composed mostly of iron and nickel in a molten state at a very high temperature.
应用推荐