| 单词 | 固氮 |
| 释义 | 〔azotobacter〕Any of various rod-shaped, nonpathogenic, nitrogen-fixing bacteria of the genusAzotobacter, found in soil and water. 固氮菌：发现于土壤和水中的一种固氮菌 属的条状的、非致病的固氮细菌 〔nitrogenase〕An enzyme of nitrogen-fixing bacteria that activates the conversion of nitrogen to ammonia.定氮酶：在固氮细菌中催化氮转化成氨的一种酶〔rhizobium〕Any of various nitrogen-fixing bacteria of the genusRhizobium that form nodules on the roots of leguminous plants, such as clover and beans. 根瘤菌：在豆科植物，例如苜蓿及大豆根部上形成小瘤的根瘤茵属 类的各种固氮细菌的任一种 〔cyanobacterium〕A photosynthetic bacterium of the class Coccogoneae or Hormogoneae, generally blue-green in color and in some species capable of nitrogen fixation. Cyanobacteria were once thought to be algae. Also called blue-green alga 藻氰菌：一种球菌目或连锁藻目的光合细菌，一般为青绿色，而且有些种类可以固氮。氰细菌一度被认为是海藻 也作 blue-green alga |
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