英语单词分类 轻松记单词

ir

ir基本解释

abbr.信息检索(=information retrieval)

ir同义词

  • iridium
  • Inland Revenue(英国)税务局...

ir英英释义

Noun:
  • a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium

  • a board of the British government that administers and collects major direct taxes