Warning: file_put_contents(/www/wwwroot/ppbbbu/202081.com/cache/290ead6b01d8f0b77e159633b5743472.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 telecommunication英英字典_telecommunication剑桥英语解释_telecommunication柯林斯英文解释_2020年的事情英文词典
1. N the telegraphic or telephonic communication of audio, video, or digital information over a distance by means of radio waves, optical signals, etc, or along a transmission line 电讯