tap root

同根派生

英汉例句

• Tap root fusiform, 10-20 cm long, 1-4 cm in diameter.
  主根纺锤形，长10－20厘米，直径1.;4厘米。
• Each of them had tap root, verticillate lateral root, stem,cotyledon, first pair of true leaf, and terminal bud.
  在显微镜下观察到花粉粒发育成为胚状体的全过程。
• Some bright spark has left the tap running all night.
  哪个小淘气干的聪明事，让水龙头开了一夜。
• Zonation of Seedling of Beta vulgaris and Its Location of Fleshy Tap Root
  甜菜幼苗的分区及其肥大直根的定位研究
• Water squirted (from the tap) all over me.
  (龙头里的)水喷了我一身。