英语词汇23sec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	23sec
释义	Examples: secant (of angle), written sec θ— 正割 US Securities and Exchange Commission (SEC)— 证交会 • 安全与交换委员会 • 美国证券交易委员会
随便看	but except but excluded but excluding but exclusive of but exempt but expectedly but expose but fact is that but far beyond but far from but far less but far more but fast growing but fewer than but few have but finally after but find it difficult but first but first and foremost but first first but first i want to but first of all but flexible but floating but focuses primarily

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。

secant (of angle), written sec θ—