英语词汇sec 3a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 3a
释义	Examples: secant (of angle), written sec θ— 正割 US Securities and Exchange Commission (SEC)— 美国证券交易委员会 • 安全与交换委员会 • 证交会
随便看	heading to a City heading to Australia heading to China heading to college heading to school heading to the airport heading towards heading towards north heading to work heading type heading upstream heading west heading workshop heading your way head in hands head injuries head in pillow head in space head insulation Head international head International head in the clouds head in the direction head in the right direction head in the same direction

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—