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	kept doing kept down kept each kept emphasizing kept empty kept end of the bargain kept energized kept entertained kept extending kept falling kept fighting kept filed kept fingers crossed kept firmly kept flat kept for kept for food kept for future reference kept for more than kept for one year kept for reference kept for ten years kept free kept free from kept free from obstruction.

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—