Meaning of pitkäaaltoalue | Babel Free
/ˈpitkæˌɑːltoˌɑlueˣ/Määritelmät
longwave bands collectively
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.