橡胶是有弹性的材料.Rubber is a resilient material.这些规定是有弹性的.These regulations are elastic.如果你要买已经片好的鱼片，一定要买鱼肉紧实有弹性的。If you buy the fish ready filleted, make sure the flesh is firm and springy....

“弹性的”的英语可以翻译为：stretch ...