cock spur

例句：

1. 1. The male chicken is the most common species in the farm.
   公鸡是农场里最常见的品种。
2. 2. The farmer carefully removed the cock spur to inspect the egg.
   农民小心翼翼地取出公鸡的阴茎来检查蛋。
3. 3. The cock spur was a symbol of power and status for the peasant.
   公鸡的阴茎是农民权力和地位的象征。