英语词汇20 sec.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	20 sec.
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	merely inspecting merely intended merely interested merely involved merely know merely little merely look at merely looking merely made merely maintaining merely mean merely measures merely mentioned merely mentioning merely needed merely nominal merely non-binding merely occasionally merely offering merely one merely one example merely open merely ornamental merely paid merely perceived

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—