contractile [kənˈtræktəl, -ˌtaɪl]

例句:

• A large portion of the cytoskeleton consists of threadlike microfilaments composed mainly of the contractile actin.
  细胞骨架大部分由微丝组成,微丝主要由可收缩的肌动蛋白组成.
  
• The heart is a highly contractile organ.
  心脏是具有高度收缩性的器官.
  
• It felt very flabby, and the myocardium was poorly contractile.
  摸上去非常软, 心肌收缩力下降.
  
• The contractile tissues, by which the movements of plants are produced.
  来自W. B. Carpenter