| 单词 | 大孢子 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔megasporogenesis〕The formation of megaspores.大孢子发生：大孢子的形成美国传统〔megasporophyll〕A leaflike structure that bears megasporangia.（植）大孢子叶：带有大孢子囊的叶形结构美国传统〔nucellus〕The central portion of an ovule in which the embryo sac develops; the megasporangium.珠心：胚珠的中心，胚芽囊在此发育；大孢子囊美国传统〔zygospore〕A large multinucleate spore formed by union of similar gametes, as in algae or fungi.接合孢子：由相似的配子结合而成的多核大孢子，如在海藻或真菌中美国传统 |
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