swayback

n. 由于负重过度而特别凹陷的背部 [医] 羊羔蹒跚病, 羊缺铜病, 马背凹陷

词形变化

swaybacks 复数 swaybacks

释义与例句

n.
  1. 1.

    An excessive sagging of the spine of a quadruped animal, especially a horse.

    可数 不可数
  2. 2.

    An animal with such excessive sagging.

    可数 不可数

词源

From sway + back.

来源：wiktionary