4 Old HSK word(s): ☊氧 ** C ☊氧气 ** C ☊二氧化碳 ** D ☊氧 ** D
臭氧* * 输氧* *

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

输 transport, carry, haul
氧 oxygen

Hsk Characters: 氧 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
氧 6C27 + 氧 + + oxygen 气 羊 Vapor 羊 (SCHAF) yang3 +

Korean:
2 NHSK word(s): 氧气* 6 yang3 qi4oxygen 二氧化碳* 6 er4 yang3 hua4 tan4carbon dioxide CO2
KOREAN6000 word(s):
0 KOREAN 2500 New HSK words):
0 KOREAN Sentence(s):