a white poisonous glycoside,C29H44O12?H2O,extracted from the seeds of the African trees Strophanthus gratus and Acokanthera ouabaio,that is used as a heart stimulant and by some African peoples as a dart poison是什么意思_a white poisonous glycoside,C29H44O12?H2O,extracted from the seeds of the African trees Strophanthus gratus and Acokanthera ouabaio,that is used as a heart stimulant and by some African peoples as a dart poison在线翻译_英语_读音_用法_例句