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plumbago是什么意思

plumbago

美[plʌm'beɪgoʊ]  英[plʌm'beɪgəʊ]
n.  石墨粉(炭精)
  名词复数:plumbagos
  近义词:graphite,blacklead,

英英释义

Noun
  1. used as a lubricant and as a moderator in nuclear reactors
  2. any plumbaginaceous plant of the genus Plumbago

例句

用作名词(n.)
  1. Later Thoreau converted the factory to producing plumbago, used to ink typesetting machines.随后梭罗让工厂转换生产适用于油墨排版机的石墨粉。
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