bellbox

词形变化

bellboxes 复数 bellboxes

释义与例句

n.
  1. 1.

    A strong metal box that contains the ringing apparatus of an alarm.

  2. 2.

    A bell-shaped apparatus used to extract broken rods from the bottom of a mine shaft.

    历史 商务 采矿

词源

From bell + box.

来源：wiktionary