noun 다운로드 🔗공유 규조토 Diatomaceous earth. A kind of soft rock containing the remains of diatoms; it absorbs nitroglycerine and is used to manufacture dynamite. Examples : "The factory worker carefully mixed nitroglycerin with kieselguhr to make dynamite for blasting in the nearby quarry. " 공장 노동자는 근처 채석장에서 발파용 다이너마이트를 만들기 위해 조심스럽게 니트로글리세린과 규조토를 섞었다. geology material substance chemistry industry AI와 채팅어휘 게임독해 연습