英语词汇HB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	HB
释义	HB /ˌeɪtʃˈbiː/ adj. (on British pencils)=hard-black硬黑(铅笔上的标识, 表示该铅笔芯为中等硬度)
随便看	Proto–Germanic Proto–Indo–European protract protracted protracted protractedly protractedness protractednesses protractible protractile protracting protraction protractions protractive protractor protractors protracts protrade protreptic protreptical protreptical protreptics protrudable protrude protruded

英汉双解词典包含368430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。