A3

名词 n.
中文释义

英文释义

名词 n.
  1. A one-page document, often tabular or graphical, on such paper. countable,usually
  2. A3 class, a class of steam locomotive used on the London and North Eastern Railway. UK,uncountable,usually

词形变化

A3s plural

词源

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