不过，这些天然的空气净化剂只是在黑暗中起作用。

These natural air purifiers only work in the dark, though.

youdao

氢氧化锂在特殊环境中用作空气净化剂，吸收人体呼吸排出的二氧化碳。

Lithium hydroxide is used as purificant in special environment to adsorb CO2 breathed out by person.

youdao

氢氧化锂在特殊环境中用作空气净化剂，吸收人体呼吸排出的二氧化碳。

Lithium hydroxide is used as purificant in special environment to adsorb CO2 breathed out by person.

youdao