英语词汇sech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	sech
释义	sech 【数】双曲正割(hyperbolic secant)的符号
随便看	chroniclers Chronicles chronicleses chronicleses' chronicles's chronicling chronic obstructive pulmonary disease chronic obstructive pulmonary diseases chronics chronic's chronique scandaleuse chrono- chronobiologic chronobiological chronobiologies chronobiologist chronobiologist chronobiologists chronobiology chronogram chronogrammatic chronogrammatic chronogrammatical chronogrammatically chronogrammatically

英汉双解词典包含548777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。