kōngqì wūrǎn
Mandarin
Romanization
kōngqì
wūrǎn
(
Zhuyin
ㄎㄨㄥ ㄑㄧˋ ㄨ ㄖㄢˇ
)
Hanyu Pinyin
reading of
空氣污染
/
空气污染