当哺乳的母亲吃了鱼，她们不仅自己受这些污染物的危胁，还将所摄取毒素的一半传给了婴儿。
And when nursing mothers eat fish, not only do they expose themselves to these contaminants, they also pass half of the toxins that they consume along to their babies.
5个这样的机器鱼即将用于在西班牙海岸巡逻，目的是寻找水中的污染物。
Five similar fish will soon be patrolling the coast of Spain, searching for pollutants in the water.
对它们来说，这些仔细过滤后充入了二氧化碳的水流是维系呼吸、赖以生存的依靠。 而这些鱼在大自然中的家园――美国东南部的河流已经被大坝阻断奔腾的脚步，又因为污染物遍布而让它们无法栖身。
For them the carefully filtered, aerated wateroffers the breath of life, whereas their natural homes—streams andrivers in the southeastern United States—are choked by dams and cloudedwith pollutants.
应用推荐