【化】 non-crystalline graphite
blame; evildoing; have to; non-; not; wrong
【计】 negate; NOT; not that
【医】 non-
brilliant; crystal; glittering
black lead; graphite; plumbago; pot lead
【化】 black lead; graphite; mineral black; mineral carbon; pot lead
【医】 black leaching; graphite; plumbago