mass noun
1- an international system of telegraphy with printed messages transmitted and received by teleprinters using the public telecommunications network用户直通电报, 用户电传（打字）电报。
1.1
- count noun a device used for this（用于用户直通电报的）电传打字机。
1.2
- count noun a message sent by this system直通电报, 电传电报。
词源
1930s: blend of TELEPRINTER and EXCHANGE.