nostrum的复数形式怎么拼写

n.骗人的疗法，有专利权的药品，妙策...

nostrum的音标：nostrum的英式发音音标为：['nɒstrəm]nostrum的美式发音音标为：['nɑstrəm]...

Some nostrum peddled as a cure for unemployment.鼓吹可解决失业问题的妙策.He told the patient that he had a nostrum.他告诉病人他有秘方....