英语词汇sec. 2.1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	sec. 2.1
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	fallen back fallen behind fallen behind schedule fallen below fallen by 2012 fallen by 20 percent fallen comrades fallen down fallen far short fallen flat on our faces fallen for fallen Friends fallen from fallen from grace fallen from height fallen from power fallen from the sky fallen ill fallen Ina trap fallen in love fallen in love with fallen in the line of duty fallen into account fallen into arrears fallen into disuse

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—