基本解释孢原,孢原组织同根派生 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.孢原细胞处于珠心表皮之下，直接起大孢子母细胞的功能。archesporium更多例句