详细释义
Noun:
-
used as a lubricant and as a moderator in nuclear reactors
-
any plumbaginaceous plant of the genus Plumbago
双语例句
- 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。
用作名词 (n.)
相关词汇
- graphite 石墨
- black lead 石墨(笔铅)
【近义词】
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