Young boys work among about 4,000 artisan miners who dig for copper on Dec. 13, 2005, in Ruashi mine outside Lubumbashi, Congo, DRC.是什么意思_Young boys work among about 4,000 artisan miners who dig for copper on Dec. 13, 2005, in Ruashi mine outside Lubumbashi, Congo, DRC.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句