Unless smokers are consistently located near more hospitable warm-water vents, chemosynthesis can account for only a fraction of the vent faunas.
除非烟囱始终位于更适宜的暖水喷口附近,否则化学合成只能占喷口动物群的一小部分。
2
Then they climbed out of the vent, onto the roof, and down 50 feet of piping to the ground where a makeshift raft made from raincoats took them across 1.5 miles of water to San Francisco.