translation.en: What if we were to separate out metals from waste streams, small amounts of metals in water? That's what microbes do; they chelate metals out of water.
translation.zh: 如果我们可以从废水分离出微量金属？ 如果我们可以从废水分离出微量金属？不过，微生物已经能做到了。 它们将金属从水中螯合出来。