swayback

• 形容人或动物背部异常凹陷或向下塌陷，常因年老、虚弱或劳累所致。

An old-fashioned adjective describing a person or animal with an abnormally sagging or concave back, often due to age or weakness.

1. Having a sagging spineC1formal

   Describes a condition where the spine curves inward abnormally, often seen in horses or sometimes in humans.

   背部凹陷

   • The veterinarian examined the swayback horse carefully.
   • Swayback posture can cause back pain in older dogs.
   • The rider noticed the horse's swayback condition worsening.

   同义词dippedlordoticsaddleback