单词：nitrifies
v treat with nitrogen or a nitrogen compound
v treat (soil) with nitrates
nitrify的用法和样例：
例句
- Phenylalanine is not easy to nitrify, so it is necessary to add in a little vitriol oil.苯丙氨酸不易硝化，需加少量浓硫酸后才能够发生黄色反应。
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