root-canal

英['ruːtkən'æl] 美['ruːtkən'æl]
  • 牙根管
  • root n.根;根源;根本v.生根;扎根;根除
  • surface n.表面;外表;平面adj.表面的;肤浅的vt.在...上加表层;使...成平面vi.浮到水面;显露;在表面工作
名词 root canal:
  1. the passage in the root of a tooth through which its nerve and blood vessels enter the pulp cavity