鐳射 léishè laser Definitions Defs Origin Strokes Stroke Words Sentences Sents 镭射印表机 léishèyìnbiǎojī laser printer 镭射唱片 léishèchàngpiàn compact disc optical disc used to store digital data or audio镭射气 léishèqì radon a radioactive gas produced by the decay of radium, same as [[氡|氡|dong1]]; used in medicine for cancer treatment
