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单词 tail fin
释义

Definition of tail fin in English:

tail fin

noun
  • 1Zoology
    A fin at the posterior extremity of a fish's body, typically continuous with the tail.

    Also called caudal fin
    Example sentencesExamples
    • Mechanical testing of the tadpole tail fin has revealed that the fin is viscoelastic and stiffer in small rather than large deformations.
    • These early lobe-fins were fast-swimmers with a heterocercal tail, meaning that the tail fin was asymmetrical and larger on the dorsal side.
    • The overall appearance of the fish is similar to that of a small shark, given the shape of the body, the powerful tail fin, and the elevated anterior portion of the second dorsal fin.
    • In his effort to capture a female's attention, he puffs out his cheeks, mouth, and gill chambers by filling them with air; he also arches his back, points his tail fin, and sinuously wriggles his body.
    • The tail fin of most ray-finned fish, with the exception of sturgeons and paddlefish, is homocercal, nearly symmetrical about the midline.
  • 2Aeronautics
    A projecting vertical surface on the tail of an aircraft, providing stability and typically housing the rudder.

    Example sentencesExamples
    • Shocked travellers described how the larger Boeing 767 shook from side to side as its wing ripped off a tail fin from the smaller aircraft.
    • The aircraft structure incorporates larger strakes below the rear section of the fuselage below the position of the tail fin.
    • The radar warning receiver is mounted in the tail fin.
    • The variable sweep wing and the twin almost upright tail fins of the F - 14 Tomcat give the aircraft its distinctive appearance.
    • Though not yet covered, the tail fin, rudder, horizontal stabilizer and elevator are all built.
  • 3An upswept projection on each rear corner of a car, popular in the 1950s.

    Example sentencesExamples
    • Earl went on to influence design by giving recognisable features to cars such as chrome, tail fins, curved windshields, and the infamous Motoramas.
    • There was nothing in the marketplace of the 1950s that indicated a desire for tail fins on cars in the U.S. and Europe.
    • Even the Model T (form and function in perfect balance) would evolve into a gas-guzzler with tail fins.
    • Even if people hardly knew who Harley Earl was, they associated tail fins with General Motors.
    • The house used to be turquoise; my dad drove a turquoise Merc with tail fins.
 
 

Definition of tail fin in US English:

tail fin

nounˈtāl ˌfin
Zoology
  • 1A fin at the posterior extremity of a fish's body, typically continuous with the tail.

    Also called caudal fin
    Example sentencesExamples
    • The tail fin of most ray-finned fish, with the exception of sturgeons and paddlefish, is homocercal, nearly symmetrical about the midline.
    • In his effort to capture a female's attention, he puffs out his cheeks, mouth, and gill chambers by filling them with air; he also arches his back, points his tail fin, and sinuously wriggles his body.
    • Mechanical testing of the tadpole tail fin has revealed that the fin is viscoelastic and stiffer in small rather than large deformations.
    • The overall appearance of the fish is similar to that of a small shark, given the shape of the body, the powerful tail fin, and the elevated anterior portion of the second dorsal fin.
    • These early lobe-fins were fast-swimmers with a heterocercal tail, meaning that the tail fin was asymmetrical and larger on the dorsal side.
    1. 1.1Aeronautics A projecting vertical surface on the tail of an aircraft, providing stability and typically housing the rudder.
      Example sentencesExamples
      • Though not yet covered, the tail fin, rudder, horizontal stabilizer and elevator are all built.
      • Shocked travellers described how the larger Boeing 767 shook from side to side as its wing ripped off a tail fin from the smaller aircraft.
      • The radar warning receiver is mounted in the tail fin.
      • The aircraft structure incorporates larger strakes below the rear section of the fuselage below the position of the tail fin.
      • The variable sweep wing and the twin almost upright tail fins of the F - 14 Tomcat give the aircraft its distinctive appearance.
    2. 1.2 An upswept projection on each rear corner of an automobile, popular in the 1950s.
      Example sentencesExamples
      • Even if people hardly knew who Harley Earl was, they associated tail fins with General Motors.
      • Even the Model T (form and function in perfect balance) would evolve into a gas-guzzler with tail fins.
      • Earl went on to influence design by giving recognisable features to cars such as chrome, tail fins, curved windshields, and the infamous Motoramas.
      • There was nothing in the marketplace of the 1950s that indicated a desire for tail fins on cars in the U.S. and Europe.
      • The house used to be turquoise; my dad drove a turquoise Merc with tail fins.
 
 
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更新时间:2024/9/20 20:43:44