noun🔗Share硅藻土，硅藻化石。 Diatomaceous earth. A kind of soft rock containing the remains of diatoms; it absorbs nitroglycerine and is used to manufacture dynamite."The factory worker carefully mixed nitroglycerin with kieselguhr to make dynamite for blasting in the nearby quarry. "那名工厂工人小心地将硝化甘油和硅藻土 (一种特殊的土，可以吸收液体，常用来制作炸药) 混合，以制造炸药用于附近采石场的爆破。geologymaterialsubstancechemistryindustryChat with AIVocabulary GamePractice Reading
