siren

• 名词，有多种含义：可指发出响亮警报声的装置，也可指神话中的海妖，或指危险而诱人的女性。

A noun with multiple meanings: it can refer to a device that produces a loud warning sound, a mythological creature, or a dangerously seductive woman.

1. Seductive womanB2formal

   A woman who is considered to be dangerously alluring or tempting.

   妖姬

   • She was described as a siren, luring men with her charm.
   • In the novel, the character plays the role of a siren.
   • Her beauty was that of a siren, captivating everyone around her.

   同义词circedelilahenchantressfemme fataleloreleiseductresstemptressvamp

2. Warning signalA2formal

   A loud, wailing sound used as a warning or alert.

   警报

   • The ambulance siren could be heard from miles away.
   • The police car turned on its siren to clear the traffic.
   • A loud siren warned the town of the approaching tornado.

   同义词alarmalerthooterhornklaxonsignaltocsinwarningwhistle

3. Acoustic deviceB1formal

   A device that produces a loud, often wailing sound used as a signal or warning.

   警报器

   • The factory installed a siren to signal the start of shifts.
   • The fire station tested its siren every Monday morning.
   • The ship's siren echoed across the harbor.

   同义词alarmhooterhornklaxonwhistle

4. Aquatic salamanderC1formalamericanscientific

   An eel-like aquatic North American salamander with small forelimbs and no hind limbs, having permanent external gills.

   鳗螈

   • The siren is a unique amphibian found in the swamps of the southeastern United States.
   • Unlike most salamanders, the siren retains its gills throughout its life.
   • Biologists study the siren to understand evolutionary adaptations.