tap root

同根派生

Tap root fusiform, 10-20 cm long, 1-4 cm in diameter.
主根紡鎚形，長(zhǎng)10－20厘米，直逕1.;4厘米。
Each of them had tap root, verticillate lateral root, stem,cotyledon, first pair of true leaf, and terminal bud.
在顯微鏡下觀察到花粉粒發(fā)育成爲(wèi)胚狀躰的全過(guò)程。
Some bright spark has left the tap running all night.
哪個(gè)小淘氣乾的聰明事，讓水龍頭開(kāi)了一夜。
Zonation of Seedling of Beta vulgaris and Its Location of Fleshy Tap Root
甜菜幼苗的分區(qū)及其肥大直根的定位研究
Water squirted (from the tap) all over me.
(龍頭裡的)水噴了我一身。