直根

    zhígēn

    1. Nountaproot (main root growing vertically down)

    萝卜的直根很长,需要深厚的土壤才能生长好。Luóbo de zhígēn hěn cháng, xūyào shēnhòu de tǔrǎng cáinéng shēngzhǎng hǎo.The long taproot of a radish requires deep soil to grow well.