1. radio broadcasting   gang wei [he;he;hu;huo;huo] dian bao ju   gang wei ，you jian   ji guang [da;da] yin ji   [mo;wu] xian dian [an;guang] bo   Hint Half-n-half Clue   2. aerial   [kong;kong] [zhong;zhong]   [ge;ge] ren ji suan ji   dian shi [guan;guan] zhong   [cai;cai] fang   Half-n-half Clue   3. channel   xin xiang   qu dao   ξ [shang;shang] ji suan ji ，[bian;pian] xie shi ji suan ji   dian bao   Half-n-half Clue   4. post box, mail box   [kong;kong] [zhong;zhong]   gang wei xiang zi ，you xiang   qu dao   dian hua ting   Half-n-half Clue   5. script   liu dong   ju ben   dian bao   hang ji   Half-n-half Clue   6. telegram   [mo;wu] xian dian [an;guang] bo   dian bao   dian [chuan;zhuan] ji   gang wei xiang zi ，you xiang   Half-n-half Clue   7. post and telegraph office   gang wei [he;he;hu;huo;huo] dian bao ju   ju ben   qu dao   dian [chuan;zhuan] ji   Half-n-half Clue