发光二极管
911chaxun查询·英语单词大全
noun
1. \u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
1. diode such that light emitted at a p-n junction is proportional to the bias current color depends on the material used
Synonym: LED