| 单词 | 根瘤菌 |
| 释义 | 〔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 〔bacteroid〕Any of various structurally modified bacteria, such as those occurring on the root nodules of leguminous plants.类杆细菌：一种在结构上已经改变了的细菌，如存在于豆科植物根部的根瘤菌 |
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