nitrateKK [ˋnaɪˏtret] /ˈnaɪˌtɹeɪt/發音名詞1硝酸鹽、硝酸酯High nitrate levels in the river came from farm runoff.河川中硝酸鹽含量偏高,是農地逕流造成的。2硝酸鹽肥料Farmers here spread nitrates on the fields each spring.這裡的農民每年春天都會在田裡施用硝酸鹽肥料。動詞1硝化、使硝化化學The compound is nitrated before being used in the next step.這個化合物要先經過硝化,才能進入下一個步驟。