1. dian shi   printer   television   parcel   postcard   Hint Half-n-half Clue   2. dian [chuan;zhuan] ，dian [chuan;zhuan]   radio   courier, messenger, speed post   telephone   telefax, fax   Half-n-half Clue   3. hua tong   radio   post office   microphone   postcard   Half-n-half Clue   4. lu yin ji   postcard   tape recorder   post office   radio   Half-n-half Clue   5. you ju   post office   telefax, fax   news   video   Half-n-half Clue   6. ming xin [pian;pian]   news   television   printer   postcard   Half-n-half Clue   7. lu ying   news   radio   telefax, fax   video   Half-n-half Clue