traverse board

短语

词形变化

traverse boards 复数 traverse boards

释义与例句

n.
  1. 1.

    A small board hung near the helmsman, having the points of the compass marked on it, and for each point as many holes as there are half hours in a watch. It was used for recording the courses made by the ship in each half hour, by putting a peg in the corresponding hole.

    航海 交通