Vocab Bloom Hub

startle reflex

/ˈstɑːrtl ˈriːfleks/

翻译: 对突然的、意外的刺激(如巨响或突然动作)产生的非自主、自动的反应,特征是肌肉快速收缩,常包括眨眼、惊跳或退缩。

1 个条目

phrase

/ˈstɑːrtl ˈriːfleks/C1formalmedical
  • zh对突然的、意外的刺激(如巨响或突然动作)产生的非自主、自动的反应,特征是肌肉快速收缩,常包括眨眼、惊跳或退缩。

An involuntary, automatic reaction to a sudden, unexpected stimulus such as a loud noise or abrupt movement, characterized by a rapid contraction of muscles, often including blinking, jerking, or flinching.

  1. Involuntary reaction to sudden stimulusB2formal

    An automatic, rapid physical response to a sudden, unexpected stimulus such as a loud noise or a quick movement.

    zh惊跳反射

    • The baby's startle reflex caused him to fling his arms out when the door slammed.
    • A sudden flash of light can trigger the startle reflex in many animals.
    • The startle reflex is a primitive survival mechanism found in humans and other mammals.