一氧化碳 yī yǎng huà tàn

DEFINITIONS

  1. carbon monoxide CO

CHARACTERS

一 yī
HSK 1
one; a, an; alone
氧 yǎng
HSK 6
oxygen
化 huà
HSK 3
change, convert, reform; -ize
碳 tàn
HSK 6
carbon