telecom /ˈteləˌkɔm/ n. (Brit. also telecoms；pl. treated as sing.)电信（=telecommunications）
telecommunications/ˈtelikəˌmju(:)niˈkeiʃənz/ n.(pl.) 长途通信，电信：telecommunications cable长途电信电缆/通信电缆；telecommunications equipment通信设备；telecommunications office电信局；the telecommunications industry电信业；a public telecommunications system共电信系统
