anelastic behavior

例句：

1. 1. The materialis anelastic, so it can't be stretched easily.
   这种材料是无弹性的，所以很难拉伸。
2. 2. The oldtree was anelastic, but thenew one is much more flexible.
   那棵老树是无弹性的，但新树更灵活。
3. 3. The muscles in the armsare anelastic, which makes themdifficult to move.
   手臂的肌肉是无弹性的，这使得它们难以移动。