1.鞣料树皮
1.the bark of some trees, especially oak and hemlock, used as a source of tannin
2.tree bark with the tannin removed, used as a ground covering, especially in circus arenas, racetracks, and other places where animals are kept
3.the part of a circus arena that is covered with tanbark
1.evergreen oak of the Pacific coast area having large leathery leaves; yields tanbark.
太平洋沿岸的一种常绿栎树的一种,叶大,皮质;生产鞣料树皮。