许多人对空气中花粉之类的污染物质过敏。

Many people are allergic to airborne pollutants such as pollen.

《柯林斯英汉双解大词典》

这里的空气有大量的污染物质。

There is a lot of pollution in the air here.

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这里的空气有大量的污染物质。

There's a lot of pollution in the air here .

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污染物质能使地表水酸化。

Pollutants can acidify surface water.

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商用水处理系统，用来去除水中的矿物质和污染物。

Commercial water treatment systems work to remove minerals and pollutants from water.

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商用水处理系统，用来去除水中的矿物质和污染物。

Commercial water treatment systems work to remove minerals and pollutants from water.

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