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	tool maker tool-maker tool making tool-making toolman toolmen toolmen tool post tool pusher toolroom tools toolset tool shed toolshed toolshed tools of the trade tools of your trade tool steel tool up to Olympic standard toom too many too many … toomed to omen ill for sth

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