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。