black-lead

英 [b'lækl'ed] 美 [b'lækl'ed]

• n. 黑铅

black-lead的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 black lead:

1. used as a lubricant and as a moderator in nuclear reactors

动词 blacklead:

1. cover with graphite