IR

IR读音音标

[,aɪ\'ɑr]

IR意思解释

abbr.

Illinois Research （期刊）；

英英释义

n.

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

同义词：iridiumatomic number 77

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

同义词：Inland Revenue

词组短语

far ir

ir sensor