Topic:botanyphytology
Hypernyms:plant part plant structure
Inherited Hypernyms:pollen tubeplant partnatural objectwholeobjectphysical entityentity
单词 | pollen tube |
释义 | Pollen Tube nnoun.plant(botany) a slender tubular outgrowth from a pollen grain when deposited on the stigma for a flower; it penetrates the style and conveys the male gametes to the ovule Topic:botanyphytology Hypernyms:plant part plant structure Inherited Hypernyms:pollen tubeplant partnatural objectwholeobjectphysical entityentity |
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