The total volumeofwater in the saturated sample must therefore be thought of as consisting of water that can, and water that cannot drain away.
"因此，人们认为充满水分的岩石样本的总含水量既包括可能会渐渐流失的水分，也包括不会流失的水分。
2
Even setting aside the unproven hints of ancient oceans, the extent of the outflow channels suggests that a huge total volumeofwater existed on Mars in the past.
即使不考虑未经证实的古代海洋迹象，流出渠道的范围表明，过去火星上存在着大量的水资源。
3
Knowing the salinity of ocean water and the approximate volumeofwater, he calculated the amount of salt already held in solution in the oceans.