coalminevideocommunication

英[kəʊlmaɪnɪvɪdiːəʊkəmjuː'nɪ] 美[kəʊlmaɪnɪvɪdiːəʊkəmjuː'nɪ]
  • 煤矿视频通信
  • coal n.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
  • exploration n.探险;探索;勘探;探测
  • resources n.资源;才智;储备力量名词resource的复数形式.