Traditional: 氧氣
氧气 (yǎng qì) means “oxygen”. It is an HSK 6 Chinese word (traditional 氧氣) in the HSK 3.0 vocabulary.
Practice each character:
高山上氧气比较稀薄。
Gāoshān shàng yǎngqì bǐjiào xībó.
Oxygen is relatively thin at high altitudes.
Updated: 2026-05-27