名词松紧带；橡皮圈（或带）形容词橡皮圈（或带）的；有弹性的；有弹力的；灵活的网络橡筋
形容词
1. elastic
1. Don't worry about him; he is a cheerful and elastic man.
别为他担心；他是个快活开朗的人。
2. My plans are fairly elastic.
我的计划相当有弹性。
3. Rubber is elastic.
橡胶有弹性。
名词
1. It snapped back like a piece of elastic.
它像一条橡皮带那样迅速弹回。