noun 다운로드 🔗공유 시약 A compound or mixture of compounds used to treat or test materials, samples, other compounds or reactants in a laboratory or sometimes an industrial setting. Examples : "The chemist used a special reagent to test the water sample for lead contamination. " 화학자는 납 오염 여부를 확인하기 위해 물 샘플을 테스트하는 데 특수 시약을 사용했습니다. compound chemistry substance material science technical industry AI와 채팅어휘 게임독해 연습