Sildenafil is very specific for cGMP but it may increase cyclic adenosine monophosphate in the myocardium indirectly.是什么意思_Sildenafil is very specific for cGMP but it may increase cyclic adenosine monophosphate in the myocardium indirectly.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句