英[ɑ:tʃes\'pɔ:rɪəl]
美[ɑtʃes\'pɔrɪrl]
The ovule is bitegminous archesporial cell locates under the nucellus epidermis, which develops into functional megasporocyte.
孢原细胞位于珠心表皮之下, 直接起大孢子母细胞的功能.
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