12-9

短语

词形变化

12-9s 复数 12-9s

别名

twelve-nine

释义与例句

n.
  1. 1.

    An instance of a collision between a person and a subway train, such as a fall into the tracks; used by train conductors in the New York City Subway.

    委婉 交通

词源

Originally a radio call sign used by conductors.

来源：wiktionary