名詞 telecommunication:

1. (often plural) systems used in transmitting messages over a distance electronically
   同義詞：telecom
2. (often plural) the branch of electrical engineering concerned with the technology of electronic communication at a distance

1. Taxpayer: the trade in the field of telecommunication.
   納稅人：主要從事通信領域的貿易。
2. The government tried to jam the guerrillas' telecommunication.
   政府設法干擾游擊隊的無線電通訊。
3. The telecommunication service is a government monopoly.
   電信為政府專營。