有毒的化学药品进入了供水系统。

Poisonous chemicals got into the water supply.

《柯林斯英汉双解大词典》

这些化学品将穿越污水系统，并可能最终进入我们的饮用水中。

Those chemicals pass through the sewage system and might even end up in our drinking water.

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但是它现在关注的焦点是智能材料：能应用于从净化水系统到太阳房顶的瓦片的各种用途的专用化学品。

But its main focus now is the clever stuff: specialty chemicals that are used for everything from water-purification systems to solar roof tiles.

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