英汉词典
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更新日期:2026-08-14
embryo sac释义 [植] 胚囊 例句1·The mature embryo sac has seven cells. 成熟胚囊内具七个细胞。2·How does macrospore developed to embryo sac ? 大孢子如何发育成胚囊?3·The developed embryo sac has 7 cells containing 8 nuclei. 成熟胚囊为8核组成的7细胞胚囊。同义词[植]胚囊megasporegastrula