| 单词 | sodium nitrite |
| 释义 | Word Frequency sodium nitrite(ˈsəʊdɪəm ˈnaɪtraɪt) noun chemistry a compound (the sodium salt of nitrous acid) with the chemical formula NaNO2 that is used as a preservative and colouring agent, esp in meat and fish products Sodium nitrite is added to avoid the presence of a very dangerous bacterial toxinin certain foods. |
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