any of various elastic materials that resemble rubber (resumes its original shape when a deforming force is removed)
elastomer详细解释
e.las.to.mer n.（名词）Any of various polymers having the elastic properties of natural rubber.弹性体：具有天然橡胶的弹性性质的多种聚合物中的一种 来源：elast(ic)elast(ic)-mer(e)-mer(e) 【引伸】 elas.tomer.ic
