英语词汇has been a cornerstone of怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	has been a cornerstone of
释义	a cornerstone— 奠基石 cornerstone — 基石 • 中流砥柱 • 要件 has-been — 过气 of — 的
随便看	all-time best all-time best-selling all time classic all time favorite all time favourite all-time great all time greatest all-time high all-time list all time low all-time low since all time of the year all-time record all-time record for all times below all times free all-times high all times low all time taken over with social niceties all tired all tissues all title all together are all together is all together more

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

a cornerstone—