noun🔗Share珪藻土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. "厳しい化学物質を使わずに害虫を駆除するために、野菜畑の周りに珪藻土を撒きました。geologymaterialsubstanceenvironmentagriculturescienceChat with AIVocabulary GamePractice Reading
