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单词 ir.
释义

WordReference Random House Unabridged Dictionary of American English © 2024
IR ,
  1. infrared.
  2. Psychologyintelligence ratio.
  3. information retrieval.

Ir ,
  1. ChemistryIrish (def. 4).

Ir ,[Symbol, Chem.]
  1. iridium.

ir-1 ,
  1. var. of in- 2 (by assimilation) before r: irradiate.

ir-2 ,
  1. var. of in- 3 (by assimilation) before r: irreducible.

Ir. ,
  1. Place NamesIreland.
  2. Language Varieties, Place NamesIrish.

I.R. ,
  1. immediate reserve.
  2. Militaryinfantry reserve.
  3. intelligence ratio.
  4. Governmentinternal revenue.

Collins Concise English Dictionary © HarperCollins Publishers::
Ir. abbreviation for
  1. Ireland
  2. Irish
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