Yabla video uses of 污染物

看看 kànkan
这种 zhèzhǒng
状态 zhuàngtài
xià
空气 kōngqì
de
污染物 wūrǎnwù
yǒu
多少 duōshao
Under such circumstances, let's see how many pollutants are released into the air.
sān
zhī
香烟 xiāngyān
下来 xiàlai
污染物 wūrǎnwù
de
含量 hánliàng
jiù
急剧 jíjù
增加 zēngjiā
After three cigarettes, the level of pollutants increases dramatically.