elastic
/ɪˈlæstɪk; ɪ`læstɪk/ adj
1 returning to its normal or previous size or shape after being pulled or pressed 有弹性的; 弹力的
a bra with elastic straps 有松紧带的乳罩
Rubber is elastic. 橡皮有弹性.
2 (fig 比喻) not fixed or unalterable; adaptable; flexible 非固定的或不可改变的; 适应性强的; 灵活的
Our plans are fairly elastic. 我们的计划相当灵活. elastic, n [U]
1 elastic cord or material, usu made with rubber thread 松紧带
The elastic in my pants has gone, ie has broken or perished. 我裤子的松紧带坏了（断了或老化了）.
[attrib 作定语]
an elastic bandage 弹性松紧带.
2 (US) = rubber band (rubber).