Yahoo香港字典 搜尋

  1. bilge keel

    • IPA[ˈbilj ˌkēl]
    • n.
      each of a pair of plates or timbers fastened under the sides of the hull of a ship to provide lateral resistance to the water, prevent rolling, and support its weight in dry dock.
    • noun: bilge keel, plural noun: bilge keels