黑白底片

black tea

black brick

Eriochrome blue black R

black-spotted emperor

Medicago lupulina L.; yellow trefoil; black medick; hop clover

Gaylussacia baccata K.Koch;black huckle-berry

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

carbon black nitrogen adsorption surface area【橡胶】