| 释义 |
nounany of various microorganisms in the soil involved in the process of nitrogen fixation. Origin of nitrogen fixerFirst recorded in 1910–15 Words nearby nitrogen fixernitrogen cycle, nitrogen dioxide, nitrogen distribution, nitrogen equivalent, nitrogen fixation, nitrogen fixer, nitrogen-fixing, nitrogenize, nitrogen lag, nitrogen monoxide, nitrogen mustard Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |