单词	antenna
释义	antennaan‧ten‧na /ænˈtenə/ noun [countable] Word Origin WORD ORIGINantenna Origin: 1600-1700 Latin ‘pole holding up a sail’ Examples EXAMPLES FROM THE CORPUS A man beside a pickup truck was standing alongside the road, twirling a radio antenna. Certainly, few entomologists doubt that the amazingly intricate structure of moths' antennae are specific pheromone detectors. It appears that the in-cockpit antenna is the problem. It keeps our main antenna aimed at Earth to within a few thousandths of a degree. It was a slender black creature with long yellow antennae and yellow-ringed legs. It will raise an antenna and run a cable from the truck to a camera to record pictures of the burning building. The null in the directional response of such an antenna is quite independent of the Q of the coil. Without mathematical modelling, the problem would not have been discovered until the complete antenna subsystem had been built and tested. 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 1 (plural antennae /-niː/) one of two long thin parts on an insect’s head, that it uses to feel things2 (plural antennas or antennae) a wire rod etc used for receiving radio and television signals SYN  aerial:  television antennas
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