Effects of Exogenous Polyamines on Photosynthetic Characteristics and Membrane Lipid Peroxidation of Cucumis sativus Seedlings under Hypoxia Stress是什么意思_Effects of Exogenous Polyamines on Photosynthetic Characteristics and Membrane Lipid Peroxidation of Cucumis sativus Seedlings under Hypoxia Stress在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句