huánjìng wūrǎn
Mandarin
Romanization
huánjìng wūrǎn
(
Zhuyin
ㄏㄨㄢˊ ㄐㄧㄥˋ ㄨ ㄖㄢˇ
)
Hanyu Pinyin
reading of
環境污染
/
环境污染
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