irreplaceable
🇺🇸
/ˌɪrɪˈpleɪsəbl/
🇬🇧
/ˌɪrɪˈpleɪsəbl/
adjective
R
Something that cannot be replaced because it is very important or valuable.
The family heirloom was irreplaceable and had been passed down for generations.
这个家族的传家宝是无法替代的，已经传了好几代人。
translation
不可替代的