ir-

ir-读音音标

ir-意思解释

pref.

用于以r开始的字；

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：iridiumIratomic number 77

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

同义词：Inland RevenueIR

词组短语

far ir

ir sensor

双语例句

It\'s the in-thing to do at the moment.这是目前*时兴的做法了。