irreplaceable
Word family adjectiveirreplaceableadverbirreplaceably
ir·re·place·a·ble /ˌɪrɪˈpleɪsəbəl◂/ adjectiveadj ONLYtoo special, valuable, or unusual to be replaced by anything else 〔因太特别或贵重而〕不可代替的,独一无二的 Works of art were lost, many of them irreplaceable. 很多艺术品丢失了,其中有许多都是独一无二的。
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