channel noun ⇨channel (a TV channel)⇨ditch (drainage channels)⇨medium (a channel of communication)channel
noun
channel ♦︎ station ♦︎ network ♦︎ frequencyThese are all words for television and radio companies, the shows they broadcast, or the radio waves used for broadcasting them.这些词均表示电视台或电台、电视或广播节目、频道或波段等。PATTERNS AND COLLOCATIONS 句型和搭配◆a television channel / station / network◆a radio station / network / frequency◆to tune to a channel / station / frequency◆to watch a channel / station◆to change / switch channels / stations■channel [countable] a television company and the shows it broadcasts; a band of radio waves used for broadcasting television or radio shows电视公司;电视节目;(电视或广播的)频道,波段◆What's on Channel 4 tonight?第4台今晚放什么节目?◆a movie / sports channel电影台;体育台◆terrestrial / satellite / cable / digital channels地面/卫星/有线/数字频道■station [countable] (often in compounds常构成复合词) a radio or television company and the shows it broadcasts电台;电视台;(广播或电视)节目◆a local radio / TV station地方广播电台/电视台◆He tuned to another station.他换了一个台。■network [countable] a group of radio or television stations in different places that are connected and that broadcast the same shows at the same time广播网;电视网◆the four big US television networks美国四大电视网■frequency ˈfriːkwənsi [countable, uncountable] (technical术语) the number of radio waves for every second of a radio signal频率(无线电信号每秒电波数)◆There are only a limited number of broadcasting frequencies.只有数量有限的广播频率。◆a frequency band频带