One for extracting oxygen out of the deep-sea water, another one which houses this chemosynthetic bacteria, which takes the hydrothermal fluid -- that hot water that you saw coming out of the bottom -- and converts that into simple sugars that the tube worm can digest.
一种可以从深海液体中吸收氧气， 另一种吞近这些 靠热液生存的化合细菌 就是这些从海底冒出来的热水－－ 然后再转化成管道蠕虫可以消化的简单糖份。