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单词 antenna
释义
antenna
noun
uk
/ænˈten.ə/us
/ænˈten.ə/

antennanoun(ORGAN)

[C]pluralantennaeuk
/ænˈten.iː/us
/ænˈten.iː/
either of apairoflong,thinorgansthat arefoundon theheadsofinsectsandcrustaceans(=animalswith hardoutershells)and are used tofeelwith
触须，触角
picture of antenna
Frank Greenaway/Dorling Kindersley/GettyImages
SMART Vocabulary: related words and phrases
The development & parts of insects
  • caterpillar
  • chrysalis
  • cocoon
  • egg
  • feeler
  • grub
  • larva
  • larval
  • maggot
  • nit
  • nymph
  • proboscis
  • pupa
  • pupal
  • royal jelly
  • silkworm
  • thoracic
  • woodworm
  • worm

antennanoun(NOTICING)

[Cusually plural]pluralantennaeorantennas
thenaturalabilitytonoticethings andunderstandtheirimportance:
感觉；直觉
Her finely-tunedpoliticalantennaehelpedher tosenseproblemsthat lessexperiencedpoliticiansmight notdetect.她敏锐的政治嗅觉使她可以意识到一些问题，而经验欠丰的从政者却可能觉察不到。
SMART Vocabulary: related words and phrases
Perceptive
  • acute
  • acutely
  • acuteness
  • eagle-eyed
  • eye
  • gimlet
  • have an eye forsomethingidiom
  • have/keep (all)yourwits aboutyouidiom
  • hawkish
  • observant
  • perceptive
  • perceptively
  • percipient
  • razor-sharp
  • sharp
  • sharp-eyed
  • sharpness
  • spotter
  • super-sharp
  • wit
See more results »

antennanoun(PART OF RADIO)

[C]mainlyUSpluralantennas
anaerial
天线
SMART Vocabulary: related words and phrases
Broadcasting: radio
  • aerial
  • am
  • anti-jamming
  • anti-radar
  • autotune
  • bandwidth
  • beacon
  • CB
  • long wave
  • LW
  • medium wave
  • multi-wavelength
  • multichannel
  • rating
  • RDS
  • receiver
  • short wave
  • shout-out
  • tranny
  • tuner
See more results »
(Definition ofantennafrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

antenna| American Dictionary

antenna
noun[C]
us
/ænˈten·ə/

antennanoun[C](INSECT)

pluralantennaeus/ænˈten·i/
either of the twolong,thinpartsattachedto theheadof aninsectthat it uses toknowwhat is around it:
fig.Herpoliticalantennaehelpedheranswerquestionswithoutoffendinganyone.

antennanoun[C](BROADCASTING)

pluralantennas
astructuremade ofmetalrodsorwires, oftenpositionedontopof abuildingorvehicle, thatreceivesorsendsradioortelevisionsignals
(Definition ofantennafrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofantenna

antenna
The results show that antennae are necessary for wing induction in the presence of natural enemies.
From theCambridge English Corpus
In this paper the hypothesis that the aphids' antennae are crucial for the wing induction in the presence of natural enemies is tested.
From theCambridge English Corpus
Biochemical characterization of the dissociated forms from the coreantennaproteins from purple bacteria.
From theCambridge English Corpus
The waveform of the pulses was close to that of high-voltage pulses at theantennainput.
From theCambridge English Corpus
The antennae are almost parallel-sided, and twice as long as their diameter, mounted on small papillae within clear, circular areas of cuticle.
From theCambridge English Corpus
Figure 1 (d) shows a circular-loopantennawith axis aligned along the magnetic field.
From theCambridge English Corpus
They serve as an excellent subject for trials of a system where each packet is fitted with tiny microchips and antennae.
From theCambridge English Corpus
This is another case where more structures ofantennacomplexes are needed before the importance of this possible effect can be evaluated.
From theCambridge English Corpus
The head-capsule, however, ruptures along two lateral longitudinal lines, thus forming three flaps, the median one bearing the antennae.
From theCambridge English Corpus
The miniature tags contain silicon chips and antennas that transmit information to a receiver very much as the listening 'bugs' used by the security services.
From theCambridge English Corpus
The motor data used in the simulation of the robot model, described above, are also used in theantennasimulation.
From theCambridge English Corpus
Fourth, the evolvedantennahad a shorter design cycle.
From theCambridge English Corpus
The first is the regulation of the biosynthesis of the various components required to build anantennacomplex, which are the apoproteins and the pigments.
From theCambridge English Corpus
In this way the search programme exploits the 100 % of theantennaallocation time completely free.
From theCambridge English Corpus
The carotenoid accessory pigments are intimately associated with both theantennaand reaction chlorophylls, and increases in these pigments may indicate adaptation to higher irradiance.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocationswithantenna

antenna

These are words often used in combination withantenna.

Click on a collocation to see more examples of it.

dipole antenna
The poster exhibits first results, which show the enormous influence of the solar panels and the primary dipole antenna.
From theCambridge English Corpus
directional antenna
This narrow beam width allows more precise targeting of the radio signal - also known as a directional antenna.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
large antenna
There is also a broadcasting station with alargeantennaon top of the hill.
From
Wikipedia
Creatives commons iconThis example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/antenna##
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更新时间：2024/12/28 6:36:27