The diatomaceous silica in the litter could have clouded Dyson's senses.

猫砂里的硅藻土可能影响了戴森的嗅觉。

Diatomaceous earth, a white silicate powder, can kill the bugs by desiccating them.

硅藻土是一种白色硅酸盐粉末，可以通过干燥来杀死昆虫。