(每日一词）elasticity

elasticity  /ˌi.læsˈtɪs.ə.t̬i/ n. 弹性；灵活性

meaning: the ability to stretch or change. 

1) 词根：elast- 弹性（e + last)

2) 后缀：-ic 形容词；-ity 名词后缀

e.g. As the skin grows older it loses its elasticity. 随着皮肤老化，弹性会慢慢消失。

e.g. There’s some elasticity in our plans —nothing has been firmly decided yet. 我们计划具有一定的灵活性—没有什么是定死的。