3 Old HSK word(s): 
☊氧 ** C ☊氧气 ** C ☊氧 ** D
Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
氧 oxygen
Hsk Characters:
HSK -Characters and beyond:
Korean:
1 NHSK word(s): 氧气* 6 yang3 qi4oxygen
1 KOREAN6000 word(s):
B 산소 [sanso] Oxygen
KOREAN 2500 New HSK words):
KOREAN Sentence(s):
