During the megasporogenesis, only one megaspore can continue to grow and develop, though several sporogoniums and megaspores might appear.是什么意思_During the megasporogenesis, only one megaspore can continue to grow and develop, though several sporogoniums and megaspores might appear.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句