基本解释孢原,孢原組織同根派生 archesporium相关词英汉例句A single archesporium differentiates immediately below the nucellar epidermis,it functions directly as the megaspore mother cell.孢原細胞処於珠心表皮之下，直接起大孢子母細胞的功能。archesporium更多例句