plumbago是什么意思
2024-01-31 21:41:17
plumbago
n. 石墨粉(炭精)
名词复数：plumbagos
近义词：graphite，blacklead，
英英释义
Noun
- used as a lubricant and as a moderator in nuclear reactors
- any plumbaginaceous plant of the genus Plumbago
例句
用作名词(n.)
- 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。