This black substance is carbon.

这种黑色物质是碳。

youdao

Graphite is a soft black substance.

石墨是一种软而黑的物质。

youdao

Graphite is a soft black substance...

石墨是一种软而黑的物质。

youdao

The black substance that trapped the animals came out of the Earth as oil.

VOA: special.2010.04.07

The more the big cat struggles, the deeper it sinks into the black substance.

VOA: special.2010.04.07

The group stopped to examine the sticky black substance that covered the Earth.

VOA: special.2010.04.07

Yet the third go-round conventionalizes its hero by throwing him into repetitive struggles with his dark side. (Clothes and the man make each other here, since the black symbiotic substance that's responsible for his darkness and alarming arrogance turns his costume from red and blue to jet black.) And the script traps him and M.

WSJ: Film Review

The space agency revealed earlier this year that it was studying using the substance to create a new kind of black paint.

BBC: Carbon nanotubes experiment results