中文2921英语翻译two thousand nine hundred and twenty-one英式发音美式发音重点词汇词汇说明记忆技巧hundredCET4,考研,TEM4nine高考,CET4,考研two高考,考研and高考,考研thousand高考,考研twenty-one高考 参考资料: 1.百度翻译:29212.有道翻译:2921