contractile的例句（contractile在句子中的用法）

• 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.
• It felt very flabby, and the myocardium was poorly contractile. 摸上去非常软, 心肌收缩力下降.
• The heart is a highly contractile organ. 心脏是具有高度收缩性的器官.