He has served the American Red Cross as a chapter Chairman, Chair of the Virginia and District of Columbia State Service Council, Chair of the Mid-Atlantic Region, and Vice-chair of the National Diversity Advisory Committee.是什么意思_He has served the American Red Cross as a chapter Chairman, Chair of the Virginia and District of Columbia State Service Council, Chair of the Mid-Atlantic Region, and Vice-chair of the National Diversity Advisory Committee.在線翻譯_英語_讀音_用法_例句