Our water supply is becoming polluted with nitrates.
我们的水源正受到硝酸的污染。
Our water supply is becoming polluted with nitrates.
我们的水源正受到硝酸的污染。
It is well known that the nitrate and nitrite from environment is causally related to infant methemoglobinemia and esophageal cancer.
环境中的硝酸与婴儿高铁血红蛋白血症及食管癌的
因关联已为人们熟悉。
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