They are home to unique communities of animals 深海热液喷口是独特动物群落的家园

227. spouts from the seafloor.
     从海底喷涌而出
228. Dissolved minerals condense around them
     溶解的矿物质在热泉周围凝结
229. to form towering chimneys, known as hydrothermal vents.
     形成高耸的烟囱状 被称为深海热液喷口
230. They are home to unique communities of animals
     深海热液喷口是独特动物群落的家园
231. that all rely on the nutrients in the scalding water.
     这些动物依靠滚烫的水中的营养物质生存
232. Some suggest that vents like these could be the places
     有观点认为四十亿年前
233. where life on Earth first began four billion years ago.
     生命正是起源于类似这样的喷口

来自《行星地球 第三季 第二集 Planet Earth S03E02 海洋》第 230 行