They are learning how to extract oxygen and other vital elements from lunar rocks and soil.
他们也在研究如何从从月球的岩石和土壤中提取氧气和其他重要元素。
Potassium, phosphorus and thorium are other elements that lunar rocks have to offer a potential mining venture.
钾、磷、钍是月岩可向将来的采矿企业提供的其它元素。
Since then, several research groups have also looked at the mineral apatite, which can lock up water in its chemical structure, in lunar rocks.
从那之后，许多研究队伍也对矿物磷灰石进行了研究，这种矿物的化学结构能够锁住月岩中的水分。
To get below the ancient lunar rocks, NASA crashed a rocket into the moon's south pole.
VOA: special.2009.12.30
They conducted several experiments, gathering up lunar rocks and soil.
VOA: standard.2009.07.16
The astronauts made three trips in the lunar rover to take pictures and collect rocks.
VOA: special.2009.07.29
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