英语词汇“black lead”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	black lead
释义	black lead 汉语翻译石墨, 笔铅【化】石墨英语解释：名词 black lead: used as a lubricant and as a moderator in nuclear reactors 同义词：graphite, plumbago 动词 black lead: cover with graphite 同义词：blacklead
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black lead