Meaning of vaikealiukoinen | Babel Free
/ˈʋɑi̯keɑˌliu̯koi̯nen/Määritelmät
poorly soluble, not readily soluble
CEFR-taso
C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
This word is part of the CEFR C2 vocabulary — mastery level.