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BNC: 7431 COCA: 11742

nitrate

noun
/ˈnaɪtreɪt/
/ˈnaɪtreɪt/
 [uncountable, countable] (chemistry化学)
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  1. a compound containing nitrogen and oxygen. There are several different nitrates and they are used especially to make soil better for growing crops.硝酸盐；硝态氮肥
    • We need to cut nitrate levels in water.我们需要降低水中的硝酸盐含量。
    Topics Farmingc2
    Word Originlate 18th cent.: from French (from nitre, from Latin nitrum, from Greek nitron + -ate).

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