Any shrub or small tree of the genus Rauwolfia having leaves in whorls and cymose flowers; yield substances used medicinally especially as emetics or purgatives.是什么意思_Any shrub or small tree of the genus Rauwolfia having leaves in whorls and cymose flowers; yield substances used medicinally especially as emetics or purgatives.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句