letterboard

词形变化

letterboards 复数 letterboards

释义与例句

n.
  1. 1.

    A signboard for lettering or text.

  2. 2.

    A board marked with letters of the alphabet, used for communication by the disabled.

  3. 3.

    A board on which matter in type is placed for storage or manipulation.

    历史 媒体 印刷

词源

From letter + board.

来源：wiktionary