单词	loudhailer
释义	loudhailerloud‧hail‧er /ˌlaʊdˈheɪlə $ -ər/ noun [countable] Examples EXAMPLES FROM THE CORPUS Her reverie was broken by the sound of a loudhailer coming from the street. The attackers then called by loudhailer on those in the house to surrender. The organizers, loudhailers in hand, were corralling the crowd into marching formation when the first group of skinheads appeared. word sets WORD SETS► Communications amplitude, nounAV, beam, verbcall letters, nouncall sign, nounconsole, nouncopier, nouncopyright, nouncoverage, nouncryptography, nouncuneiform, adjectivecypher, noundigital, adjectivedigitize, verbdirectional, adjectivedisinformation, noundisquisition, noundisseminate, verbdocument, verbedit, verbeditor, nounelectronic mail, nounemail, nounfax, nounfax, verbfibre optics, nounfrequency, nounindex, nouninformation science, nouninformation technology, nounintercom, nounloudhailer, nounloudspeaker, nounmedia, nounmedia studies, nounmedium, nounmicrofilm, nounmonitor, nounmultimedia, adjectivenetwork, nounnetwork, verbnews conference, nounnewsreel, nounnonverbal, adjectiveopinion-makers, nounoptical fibre, nounover, adverboverhead, nounoverhead projector, nounPA, nounpage, verbpager, nounpalimpsest, nounpapyrus, nounpenmanship, nounradio beacon, nounradio-cassette player, nounradiogram, nounrecord, nounreissue, verbreportage, nounscramble, verbsemaphore, nounsmoke signal, nounsound wave, nounsurfing, nounTannoy, nountelecommunications, nountransceiver, nountransponder, nounvideo conferencing, nounVideotex, nounvoice print, nounwalkie-talkie, noun British English a piece of equipment with a microphone, that you can hold in your hand and speak through to make your voice louder SYN  megaphone, bullhorn American English
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