As a matter of fact, if you take our planet as the oasis in space that it is and dissect it into a living space, the ocean represents over 3.4 billion cubic kilometers of volume, within which we've explored less than five percent.
事实上， 如果你将我们的地球 视为太空中的绿洲 仔细分出宜居空间， 海洋占据了超过 34 亿 立方公里， 我们只探索了其不到 5%。