translation.en: It causes fluid to flow from the cells that line our intestine into the lumen, the internal chamber of our intestine, and then that fluid goes the only way it can, which is out the other end.
translation.zh: 这导致了体液从肠细胞流至 肠腔内--肠内部的空间， 然后这些液体去了他们唯一能去的地方，排出体外。