Yabla video uses of 化学物

但是 dànshì
能够 nénggòu
有效 yǒuxiào
过滤 guòlǜ
空气 kōngqì
zhōng
de
病毒 bìngdú
细菌 xìjūn
mái
挥发性 huīfāxìng
化学物 huàxuéwù
děng
However, they are effective in filtering viruses, bacteria, smog and volatile chemicals, etc. in the air