adjective🔗Share窄带，窄频带 Describing communication systems with a smaller bandwidth than wideband."Because the rural internet connection was narrowband, it took a long time to download the homework assignment. "由于乡村地区的网络连接是窄带的，下载作业花了很长时间。communicationtechnologyelectronicssignalfrequencytechnicalsystemChat with AIVocabulary GamePractice Reading
