P: That's not my point at all, uh... Ok, say there is water ice on the moon. That would be very practical value for future moon base for astronauts. Water ice could melted, purified for drinking. It could also be broke down in two components, Oxygen and Hydrogen. Oxygen could used to breath, Hydrogen could turn into the fuel, rocket fuel. So water ice could enable the creation of the south in moon someday, a mining camp perhaps or a departure point for space exploration.
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Water ice could be melted and purified for drinking.
结冰的水可以融化后净化以供饮用。
Water ice could be melted and purified for drinking. It could also be broken down into its component parts - oxygen and hydrogen.
水冰可以通过融化、净化用来饮用，也可以被分解为它的构成成分——氧气和氢气。
Alternatively, a craft could fly to one of their moons to collect rock samples and also accumulate hydrogen, by separating water obtained from melted ice, for the trip back to Earth.
另外，飞船可以飞到行星的一个卫星上采集岩石标本，还可以通过离析冰水以积累氢，为返回地球补充燃料。
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