Meaning of röntgentähtitiede | Babel Free
/ˈrøntɡenˌtæhtiˌtie̯deˣ/Määritelmät
X-ray astronomy
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.