ref /rɛf/

• 1. 

  Ref. is an abbreviation for . It is written in front of a code at the top of business letters and documents. The code refers to a file where all the letters and documents about the same matter are kept. 文件编号 [商业]

  例：

  Our Ref: JAH/JW.

  我们的编号是：JAH/JW。

• 2. 

  N-COUNT The ref in a sports game, such as football, American football, or boxing, is the same as the . 裁判员 [非正式]

  例：

  The ref said it was a fumble.

  裁判员判定为失球。