irrecoverable
adj. 不能挽回的;不能复原的;不能收回的
例句
May be enough to do an irrecoverable damage to it.
对它造成难以恢复的损失。
They are connected with cherished associations which the new ones can never have. And for this irrecoverable loss,I am to blame.
旧书与往事相连,这种不可弥补的损失,皆由我起。
After more than a hundred years most of the details are irrecoverable, lost beyond all recall, but it isn't hard to image what must have happened.
经过一百多年之后,细节已无从查考,但不难猜测当时的情景。