To leave our planet nothing but rock and dust.
除了岩石和尘土外不在我们的星球留下任何东西。
Comets are conglomerations of ice, dust and rock from the early solar system.
彗星是早期太阳系中冰、灰尘和岩石的聚合物。
Pulverised rock will climb as a dust cloud into the atmosphere.
石粉会像尘雾一样上升到大气中。
Pulverised rock will climb as a dust cloud into the atmosphere.
石粉会像尘雾一样上升到大气中。
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