wriggling perturbation

例句：

1. 1.The snake wriggled its way out of the hole.
   蛇蜿蜒着从洞里爬了出来。
2. 2. The baby was squirming in his crib.
   婴儿在他的小床上扭动着。
3. 3. The caterpillar wriggled its way through the leaves.
   毛毛虫蜿蜒着穿过叶子。