adj.不能挽回的；不能復(fù)原的

The money already paid is irretrievable. 已經(jīng)支付的錢是無法收回的。

The breakdown of their marriage was irretrievable . 他倆婚姻破裂

When the diamond fell into the lake, it was virtually irretrievable. 當(dāng)鉆石掉進(jìn)湖中后，實際已無法取回來了

Usually, the analytes are irretrievable. 通常，這被分析物不可復(fù)原。