antenna

• 名词，有多个义项：指用于发射或接收无线电波或电视信号的装置；也可指昆虫或甲壳类动物头部的一对触觉和味觉器官（触角）；还可比喻敏锐的感觉或觉察力。

A noun with multiple meanings: it can refer to an electrical device used for sending or receiving radio or television signals, a sensitivity similar to that of a receptor organ, or one of a pair of mobile appendages on the head of insects and crustaceans that are typically sensitive to touch and taste.

不规则复数

1. Radio or TV signal deviceB1formaltechnical

   An electrical device used to send or receive radio or television signals.

   天线

   • The old house had a large antenna on the roof for better TV reception.
   • Radio antennas are essential for broadcasting signals over long distances.
   • He adjusted the antenna to get a clearer picture on the screen.

   同义词aerial

2. Sensitivity or intuitionC1informal

   A natural ability to sense or detect subtle signals, similar to a receptor organ.

   直觉

   • She has a good antenna for detecting when someone is lying.
   • His political antenna told him that the proposal would be unpopular.
   • A good journalist needs a sharp antenna for news.

   同义词discernmentfeelinginstinctintuitionnoseperceptionsensitivitysixth sense

3. Insect or crustacean appendageB2formalscientific

   One of a pair of mobile sensory appendages on the head of insects and crustaceans, typically sensitive to touch and taste.

   触角

   • The butterfly uses its antennae to sense flowers from a distance.
   • A lobster's antennae help it navigate the ocean floor.
   • The insect's antennae twitched as it explored the leaf.

   同义词feeler