Meaning of miliardoletni | Babel Free
/mi.ljar.dɔˈlɛt.ɲi/Definicje
billion-year-old, billion-year-long
not-comparable, relational
Poziom CEFR
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.