ir-

pref.

用于以r开始的字；

英英释义

ir-[ ir ]

• 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远红外线

ir sensor红外传感仪/器

双语例句

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

权威例句

Mining the Web for Synonyms: PMI-IR versus LSA on TOEFL
Mining the Web for Synonyms: PMI-IR versus LSA on TOEFL
IR-Thermographic Screening of Thermoneutral or Endothermic Transformations: The Ring-Closing Olefin Metathesis Reaction
Mining the Web for Synonyms: PMI-IR versus LSA on TOEFL
The First Release COSMOS Optical and Near-IR Data and Catalog
Efficient IR-Style Keyword Search over Relational Databases
Primary and secondary mechanisms of action of visible to near-IR radiation on cells.
In vivo antitumor activity of NVP-AEW541-A novel, potent, and selective inhibitor of the IGF-IR kinase.
Microbiological characterizations by FT-IR spectroscopy.
FT-IR study of plant cell wall model compounds: pectic polysaccharides and hemicelluloses