| 释义 |
pollen tubeBrE /ˈpɒlən tjuːb/ NAmE /ˈpɑːlən tuːb/ noun (biology生物) a tube that grows when pollen lands on the of a flower to carry the male cell to the stigma of a flower to carry the male cell to the ovule(= a part of the female organ )of a flower to carry the male cell to the ovule(= the part that contains the female cell )花粉管 |