英语词汇“pollen tube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pollen tube
释义	pollen tube n. A slender tube that is formed by a pollen grain of a seed plant and penetrates the ovule, where it releases the male gametes.
随便看	ethylate ethylation ethyl carbamate ethyl chloride ethylene ethylene glycol ethylenic ethyl ether ethylic ethyl mercaptan ethyne ethynodiol diacetate -etic etic e-ticket etiolate etiolation etiologic etiological etiologically etiologist etiology etiquette Etna ETO

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