Having an abundance of water on the moon would make it easier to set up a base camp for astronauts by providing drinking water and an ingredient for rocket fuel.
月球上有丰富的水，可以使为太空人建立基地营比较容易，因可提供饮用水和火箭燃料的一种成分。
2
In response, Bolden referred to the possibility of setting upfuel depots in orbit, which could enable smaller rockets to make trips beyond low-Earth orbit.
在答复中，博尔登提及在轨道中建立燃料补给站的可能，这样小型火箭就可以实现低地球轨道的运行。
3
As additional products enter the marketplace, commercial sales will makeup an increasingly large share of total fuel cell expenditures.