单词	loudspeaker
释义	loudspeakerloud‧speak‧er /ˌlaʊdˈspiːkə, ˈlaʊdˌspiːkə $ -ər/ noun [countable] Examples EXAMPLES FROM THE CORPUS Because treble frequencies are directional and bass frequencies are not, standing in front of a loudspeaker cabinet always gives a brighter sound. Broadcasting via a system of street loudspeakers the radio is on the air for three hours each Sunday. But there are differences, the most obvious being the loudspeakers. Later that evening, however, loudspeaker vans cruised the town, announcing the election for Friday, the next day. Mimicking candidates who campaigned with loudspeakers, I went outside every day and gathered neighborhood children and made speeches. Only if the loudspeaker starts singing a new song will her soliciting start afresh. Similarly, there are few restrictions on temporary use of loudspeakers, such as when messages are blasted intermittently from mobile vans. So microphones and loudspeakers were installed. word sets WORD SETS► Broadcasting aerial, nounairtime, nounAM, nounantenna, nounatmospherics, nounaudio, adjectiveband, nounBBC, the, beacon, nounbeam, verbBeeb, the, bleep, verbboom, nounboom box, nounBritish Broadcasting Corporation, nounbroadband, nounbroadcast, nounbroadcast, verbcable television, CB, nounCCTV, nounCeefax, nounchannel, nounclosed circuit television, nouncommunications satellite, nouncontrast, noundial, nounDJ, nounexposure, nounflash, verbFM, nounfrequency, nounham, nounHz, interference, nounjam, verbkHz, kilohertz, nounlinkup, nounlive, adjectivelocal radio, nounlong wave, nounloudspeaker, nounLW, mast, nounmedium wave, nounmegahertz, nounMHz, modulate, verbmonitor, nounmono, nounmono, adjectiveNBC, nounnetwork, nounnetwork, verbon-air, adjectiveover, prepositionpresenter, nounprogramming, nounquadraphonic, adjectiveradio, nounradio, verbreceive, verbreceiver, nounreception, nounrepeat, verbrepeat, nounrerun, nounrerun, verbroger, interjectionsatellite, nounsatellite dish, nounsatellite television, nounsaturation, nounscrambler, nounseries, nounset, nounshipping forecast, nounship-to-shore, adjectiveshort wave, nounsignal, nounsignature tune, nounsimulcast, verbSOS, nounsound, nounsound bite, nounsound check, nounstatic, nountelecast, nounTeletext, nountelevise, verbtelevision, nountelevision licence, nountelly, nountime signal, nountrack, verbtransistor, nountransistor radio, nountransmission, nountransmit, verbtransmitter, nountune, verbtuner, nountweeter, nountwo-way, adjectiveUHF, noununscramble, verbveejay, nounvideo, nounvideo, adjectivevideo jockey, nounvolume, nounwaveband, nounwavelength, nounwhite noise, nounwireless, noun 1a piece of equipment used to make sounds louderfrom/over/through a loudspeaker The voice over the loudspeaker (=using the loudspeaker) said the flight was delayed.2a speaker(3)
随便看	refer referable referee reference reference book reference library referendum referral refill refillable refinance refinancing refine refined refinement refinery refit reflate reflation reflationary reflect reflected glory Reflecting Pool reflection reflective

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