密码电报

It’s a telegram in cipher.

这是密码电报。

Only the capture of an Enigma machine and the invention of radar could spur a fightback.

及后盟军成功破解德军电报机密码，并发明雷达反击，才有所转机。

She had been posing as a diplomat, but her cover was blown when she was found sending coded messages to agents.

的身分一直是交官，可是被发务发送密码电报，暴露了真实身分。