单词：aleph-nulls
音标：['ɑ:lif'nʌl;-'ziərəu] ；
n. 【数学】阿列夫零
单词：aleph-nulls 相关文章
By Brian Padden Paris 20 June 2007 The 47th International Paris Air Show is running this week. It is a showcase of aviation and aerospace technology. And as VOA's Brian Padden reports, this is big, big business with more than 2,000 exhibitors from 42
发表于:2019-01-07 / 阅读(500) / 评论(0)
2007年VOA标准英语（六月）
2007年VOA标准英语（六月）