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单词 startle reflex
释义

Definition of startle reflex in English:

startle reflex

noun ˈstɑːtl ˌriːflɛks
  • An involuntary reaction to a sudden stimulus, especially a loud noise, often involving contraction of groups of muscles of the limbs and neck; a similar reaction shown by an animal.

Origin

Early 20th century; earliest use found in Military Surgeon. From startle + reflex.

 
 

Definition of startle reflex in US English:

startle reflex

nounˈstɑːtl ˌriːflɛks
  • An involuntary reaction to a sudden stimulus, especially a loud noise, often involving contraction of groups of muscles of the limbs and neck; a similar reaction shown by an animal.

Origin

Early 20th century; earliest use found in Military Surgeon. From startle + reflex.

 
 
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更新时间:2026/6/7 4:47:24