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 .eItF5bi: n [C], adj [not gradable] Br abbreviation for hard black (=printed on pencils to show that the LEAD in the pencil is medium hard) 硬黑(印在铅笔上表示铅笔芯的硬度)
随便看	refinement refinery refit refit reflate reflation reflationary reflect reflect reflect reflection reflection reflection reflective reflective reflectively reflector reflex reflexive reflexive reflexively reflexively reflexology reforest reforestation

英汉双解词典包含44095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。