mid-15c., from Old French irrecovrable, from assimilated form of in- "not, opposite of" (see in- (1)) + recovrable (see recover). In same sense irrecuperable (from Late Latin irrecuperabilis) is from mid-14c. Related: Irrecoverably.
权威例句
1. irrecoverable loss of sight
永久的失明
2. The depression, however, caused many irrecoverable accounts and Dr. Sim started to run up debts.
然而经济萧条造成许多呆帐,他也因此负债累累.
3. Nearly a thousand pounds'worth of bad debts has boon written off as irrecoverable.
价值近一千英镑的债务作为不可收回的坏帐被注销了.
4. All business are to be transacted against confirm and irrecoverable letter of credit.