英语词汇sec 401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 401
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	hexagonal head hexagonal head screw hexagonal household coal briquet hexagonal key hexagonally hexagonally arranged hexagonal mesh hexagonal nut hexagonal plate hexagonal prism hexagonal profile hexagonal screw hexagonal socket hexagonal socket head bolt hexagonal socket screw hexagonal socket wrench hexagonal structure hexagonal turret hexagonal water hexagonal wire netting hexagonal ε-cobalt hexagon bolt hexagon bolts hexagon cassette hexagon design

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—