adj (1) 弹性的，有弹力的(able to return to its original shape or size after being pulled or pressed out of shape)：an～band/bondage/body/force/ribbon 橡皮筋/弹性绷带/弹性体/弹力/松紧带; Toy balloons，sponges，steel springs and rubber are～(substances). 玩具气球、海绵、钢簧和橡胶是有弹性的(物质)。〖同〗 stretchable; flexible，springy; 〖反〗 stiff，inflexible，rigid;

(2) 灵活的，可伸缩的(capable of adapting or adapted to change or a variety of circumstances)：an～arrangement/principle/schedule/clause in the contract 灵活的安排/灵活的原则/灵活的计划/合同中的弹性条款; The rules of this game/the holiday plans are fairly～. 这项运动的规则/这些度假计划是比较灵活的。〖同〗flexible，adaptable; 〖反〗 inflexible;

(3) 容易适应(轻松)的，有韧性的(quick to recover or revive)： an～character/spirit 开朗的性格/乐观的精神; With his～character，he will soon be cheerful again. 由于他性格开朗，他很快就会振作起来的。〖同〗 flexible，tolerant，yielding; 〖反〗inflexible，intolerable，unyielding;

→ e′lastically adv 有弹性地;͵elas′ticity n 弹性;

n 松紧带，橡皮筋(narrow band of material with rubber in it that can be stretched easily) [U]：a piece of～一根松紧带