单词	例说
释义	例说 lìshuōexamples
随便看	luminous colour luminous crystal luminous density luminous dial luminous diode luminous discharge luminous discharge lamp luminous discharge tube luminous effect luminous efficacy luminous efficacy [of a lamp] luminous efficacy[of a lamp] luminous efficacy{of a lamp} luminous efficacy of a source luminous efficacy of radiation luminous efficiency luminous efficiency function luminous efficiency modification range luminous efficiency (of radiation) luminous efficiency {of radiation} luminous electron luminous element luminous emission luminous--emission luminous emissivity