five和fifty的发音不一样。
1、five：英[faɪv]、美[faɪv]
释义：num. 五。
举例：My company is five miles distant from my home.
公司距离我家五英里远。
2、fifty：英['fɪfti]、美['fɪfti]
释义：num. 五十。
举例：He fathered a daughter at the age of fifty.
他五十岁时生下一个女儿。
相关词语
fifteen
音标：英[ˌfɪf'tiːn]、美[ˌfɪf'tiːn]
释义：num. 十五。
举例：He has fifteen workers in his employ.
他雇佣的工人有十五名。