So if fear is the ultimate contaminant of attention, how do we remove it?

因此，如果恐惧是注意力的终极污染物，我们要如何消除它？

Officials saw contaminants from nearby construction, hospitals and mining.

官方称周边建筑物、医院以及采矿排放了许多污染物。

But once we add some contaminant to it, like food colouring for example, we say it's impure.

可是一旦我们在其中添加一些污染物，比如食用色素，我们就会说它不纯净。

Most plants remove major contaminants such as feces, pathogens, and excess nitrogen from all the water they process.

大多数设施从处理的水中过滤掉主要的污染物，例如粪便、病原体和多余的氮。

Fish, you want it low in contaminants and high in omega 3s, the good fatty acids.

鱼，你想要低的污染物和高的欧米茄3，好的脂肪酸。

They're close to contaminants or toxins.

他们接近污染物或毒素。

Lieberman's team has worked with 18 other universities across the United States to discover the most common contaminants.

利伯曼的研究团队与美国的其他18所大学合作寻找常见的污染物。

The water is infected with harmful bacteria or other contaminants.

这些水都受到了有害细菌或其他污染源的污染。

Finally, Sulfur and heavy metal contaminants are filtered and taken away.

硫和重金属污染物会在最后被过滤掉。

It's capturing contaminants, keeping your water odor and taste positive, etc.

它可以捕捉污染物，保持水的气味和味道，等等。