cock neck hackle black

例句：

1. 1.The cock neck is a common feature of many bird species.
   许多鸟类都有弯曲的脖子。
2. 2. The cock neck is often used as a decorative element in jewelry design.
   鸡颈常作为珠宝设计中的装饰元素。
3. 3.The cock neck is also known for its ability to hold large objects securely.
   鸡颈也因其能牢固地支撑大型物体而闻名。