irreplaceability

n. 无法调换, 不能取代

别名

irreplacebility

释义与例句

n.
  1. 1.

    The quality of being irreplaceable; inability to be replaced, often because of being unique.

    不可数

词源

From irreplaceable + -ity; see ir-, replace, -able, -ability.

来源：wiktionary