flexible milk line

例句：

1. 1.The material is flexible enough to be stretched easily.
   这种材料足够柔软，可以轻松拉伸。
2. 2.The child's flexibility in adapting to new situations is impressive.
   孩子适应新情况的灵活性令人印象深刻。
3. 3. The artist used a flexible material to create the sculpture.
   艺术家使用一种可弯曲的材料创作了这个雕塑。