irrecoverable
adj. 無可挽救的; 不可彌補
1. incapable of being recovered or regained
irrecoverable loss of sight
永久的失明
The depression, however, caused many irrecoverable accounts and Dr. Sim started to run up debts.
然而經濟蕭條造成許多呆帳,他也因此負債累累.
All business are to be transacted against confirm and irrecoverable letter of credit.
所有交易都應採用保兌的不可撤銷信用證支付.