boneblack.
/bohn-blak/US // ˈboʊnˌblæk //UK // (ˈbəʊnˌblæk) //
红黑色,红黑,红黑相间,红黑色的
Definitions
n.noun · 名词
- 1.
- ›a black, carbonaceous substance obtained by calcining bones in closed vessels, used as a black pigment, a decolorizing agent, etc.
Examples
While they may improve conditions somewhat, the only solution to such a problem is the use of the boneblack process.
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