chicken and egg

短语

词形变化

only 复数

别名

chicken-and-egg chicken or egg

释义与例句

n.
  1. 1.

    A situation or case in which it is difficult to distinguish cause and effect, having a circular character.

    定语 仅复数

词源

From the proverbial question of whether the chicken or the egg came first, attested as early as Aristotle (4th century BCE).

来源：wiktionary