| 释义 |
主根zhǔgēn植物最初生长出来的根,是由胚根突出种皮后发育而成的,通常是垂直向地下生长,并长出许多侧根,组成根系。{main root; tap root; primary root that develops from the radicle after breaking through the seed coat, and that grows vertically downward, from which small lateral roots grow outwards to form the root system} |