The content of nicotine in ripe spongy cells was 2.8 times as much as unripe cells, and the content of nicotine in ripe palisade cells was 5.4 times as much as unripe cells.是什么意思_The content of nicotine in ripe spongy cells was 2.8 times as much as unripe cells, and the content of nicotine in ripe palisade cells was 5.4 times as much as unripe cells.在线翻译_英语_读音_用法_例句