muscle contraction

英 美
  • 肌肉收缩
Noun:
  1. (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)

    1. The heart muscles contract to expel the blood.
      心脏肌肉收缩以挤压出血液。
    2. When the muscle between the bones shortens, one bone has to move.
      但当肌肉收缩时只有一块骨头运动。

【邻近词汇】