| 词汇 | antenna |
| 释义 | antenna noun uk /ænˈten.ə/ us /ænˈten.ə/ antennanoun (ORGAN)[ C ]pluralantennaeuk /ænˈten.iː/ us /ænˈten.iː/ either of a pair of long, thin organs that are found on the heads of insects and crustaceans (= animals with hard outer shells) and are used to feel with触须，触角 Frank Greenaway/Dorling Kindersley/GettyImages The development & parts of insects caterpillar chrysalis cocoon eclose eclosion feeler grub larva larval maggot nit nymph proboscis pupal royal jelly silkworm tegmen thoracic woodworm worm antennanoun (NOTICING)[ Cusually plural ]pluralantennae or antennas the natural ability to notice things and understand their importance: 感觉;直觉 Her finely-tuned political antennae helped her to sense problems that less experienced politicians might not detect.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。 Perceptive acute acuteness catch eagle-eyed gimlet have an eye for somethingidiom have gimlet eyesidiom have/keep (all) your wits about youidiom hawk-eyed hawkish observant perceptive perceptively percipiently razor-sharp sensate sensately sharp sharpness wit antennanoun (PART OF RADIO)[ C ]mainly USpluralantennas an aerial天线 Broadcasting: radio aerial am anti-jamming anti-radar autotune bandwidth beacon CB LW medium wave multi-wavelength multichannel MW RDS receiver short wave shout-out tranny transponder tuner antenna | American Dictionaryantenna noun[ C ] us/ænˈten·ə/ antennanoun[C] (INSECT)pluralantennaeus/ænˈten·i/ either of the two long, thin parts attached to the head of an insect that it uses to know what is around it: fig. Her political antennae helped her answer questions without offending anyone. antennanoun[C] (BROADCASTING)pluralantennas a structure made of metal rods or wires, often positioned on top of a building or vehicle, that receives or sends radio or television signals Examples of antennaantenna The results show that antennae are necessary for wing induction in the presence of natural enemies. In this paper the hypothesis that the aphids' antennae are crucial for the wing induction in the presence of natural enemies is tested. Biochemical characterization of the dissociated forms from the core antenna proteins from purple bacteria. The waveform of the pulses was close to that of high-voltage pulses at the antenna input. The antennae are almost parallel-sided, and twice as long as their diameter, mounted on small papillae within clear, circular areas of cuticle. Figure 1 (d) shows a circular-loop antenna with axis aligned along the magnetic field. They serve as an excellent subject for trials of a system where each packet is fitted with tiny microchips and antennae. This is another case where more structures of antenna complexes are needed before the importance of this possible effect can be evaluated. The head-capsule, however, ruptures along two lateral longitudinal lines, thus forming three flaps, the median one bearing the antennae. 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. The motor data used in the simulation of the robot model, described above, are also used in the antenna simulation. Fourth, the evolved antenna had a shorter design cycle. The first is the regulation of the biosynthesis of the various components required to build an antenna complex, which are the apoproteins and the pigments. In this way the search programme exploits the 100 % of the antenna allocation time completely free. The carotenoid accessory pigments are intimately associated with both the antenna and reaction chlorophylls, and increases in these pigments may indicate adaptation to higher irradiance. See all examples of antenna 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. Collocations withantennaantennaThese are words often used in combination with antenna. 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. directional antenna This narrow beam width allows more precise targeting of the radio signal - also known as a directional antenna. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. large antenna There is also a broadcasting station with a largeantenna on top of the hill. From Wikipedia This 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. See all collocations with antenna |
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