A3

词形变化

A3s 复数 A3s

释义与例句

n.
  1. 1.

    A one-page document, often tabular or graphical, on such paper.

    可数 不可数
  2. 2.

    A3 class, a class of steam locomotive used on the London and North Eastern Railway.

    英国 不可数 交通

词源

See the Wikipedia article ISO 216, the international standard on paper sizes.

来源：wiktionary