root nodule

短语

根瘤

词形变化

root nodules 复数 root nodules

释义与例句

n.
  1. 1.

    A specialized organ that forms on the roots of certain plants, primarily legumes, as a result of a symbiotic interaction between the plant and nitrogen-fixing bacteria known as rhizobia, allowing the plant to obtain nitrogen directly from the atmosphere.

    根瘤

    生物 植物学