单词	週圍失色
释义	同Discouragement
随便看	light output ratio [of a luminaire] light output ratio {of a luminaire} light-- overload light packaging lightpack cable light palpation light particle light path light path diagnosis lightpath restoration light pattern light pen lightpen light pen attention light pen attribute light pencil light pencil line light pen control system light pen control system--lpcs light pen control system，lpcs light pen detection light-pen detection light pen display light penetration light pen feature