unrecovered
adj. 未恢复的;未还原的
例句
During transporting, the AS should prevent and damage unrecovered.
运输中,组合式变电站不应受到任何不可恢复的损伤。
I was among the missing dead of the Martinez disaster, an unrecovered body.
我是《马丁尼号》惨案里失踪的死者之一,没有着落的一个。