adj.不能挽回的；不能复原的
The money already paid is irretrievable. 已经支付的钱是无法收回的。
The breakdown of their marriage was irretrievable . 他俩婚姻破裂
When the diamond fell into the lake, it was virtually irretrievable. 当钻石掉进湖中后，实际已无法取回来了
Usually, the analytes are irretrievable. 通常，这被分析物不可复原。
