adj.不可逆的
Merriam-Webster Online Dictionary
irreversible (adjective) not reversible
Merriam-Webster Online Thesaurus
irreversible (adjective)not capable of being repaired, regained, or undone
SYNONYMS:
irrecoverable, irredeemable, irremediable, irretrievable, irreversible, unrecoverable, unredeemableRELATED WORDS:
irreplaceable, irrevocable; unredeemedNEAR ANTONYMS:
corrected, fixed, recovered, remedied, repaired