ir.re.triev.a.ble
adj.(形容词)
Difficult or impossible to retrieve or recover:
无法挽回的:难以或不能挽回或恢复的:
例句:
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
【引伸】
ir.retriev.ableness 或
ir.retriev.abil.ity
n.(名词)
ir.retriev.ably
adv.(副词)