【机】 毛胚面, 黑皮

flies wings and black flowers

The black ox has trod on sb.'s foot

black brick

Ribes americanum Mill.;American black currant;wild black currant

Thunbergia alata Bojer;black-eyed susan;black-eyed clockvine

aniline black【染料】;nigraniline【染料】;nigrosine【染料】

Robinia pseudoaceacia L.;black acacia;false acacia;black locust;yellow locust

Bronze　black