noun🔗Share硅藻土, 硅藻化石土。 A light soil consisting of siliceous diatom remains and often used as a filtering material or microabrasive."We sprinkled diatomaceous earth around the vegetable garden to help control pests without using harsh chemicals. "我们往菜园周围撒了硅藻土，这样不用刺激性化学品也能有效控制害虫。geologymaterialsubstanceenvironmentagriculturescienceChat with AIVocabulary GamePractice Reading
