Meaning of radioaktiivisuus | Babel Free
/ˈrɑdioˌɑktiːʋisuːs/Määritelmät
radioactivity
Vastineet
English
Radioactivity
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.