Yabla video uses of 空气污染

植被 zhíbèi
破坏 pòhuài
水污染 shuǐwūrǎn
空气污染 kōngqìwūrǎn
Plants are being destroyed, water and air are being polluted.
Shěn
gōng
shuō
只要 zhǐyào
室内 shìnèi
wén
de
dào
yān
wèi
空气污染 kōngqìwūrǎn
jiù
已经 yǐjīng
比较 bǐjiào
严重 yánzhòng
le
Mr. Shen says, by the time you can smell cigarette smoke, pollution is already rather serious.