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	nervy nervy -ness nest nest nest nesting nestle nestling net net net netball nether netting nettle nettle network network neural neuralgia neuralgic neuro- neurological neurologist

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。