balling-iron

短语

[医] 成珠铁

词形变化

balling-irons 复数 balling-irons

释义与例句

n.
  1. 1.

    A piece of shaped metal that forces the mouth of an animal to stay open.

    生物 医学 动物学

词源

Named for its original use in forcing open the mouth of an animal for balling.

来源：wiktionary