In the second year, the resting pollen tube revives its activity in the nucellus towards the March. The two unequal male gamete formed in the April.是什么意思_In the second year, the resting pollen tube revives its activity in the nucellus towards the March. The two unequal male gamete formed in the April.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句