英语词汇30 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	30 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	discount from par discount given discount goods discount granted discount granted for discount grocery store discount has been applied discount hotel discount income discount information discounting arrangements discounting bills discounting expenses discounting of bills discounting of receivables discounting prices discounting process discounting provisions discounting rate discounting risk discounting risk free rate discounting surplus discounting the future discounting this discounting to present value

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—