【医】 黑氧化铁, 磁性氧化铁

black

black tea

white carbon black

black heel

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

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

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

black-ash ball