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 science students used specific reagents to identify different chemicals in their experiment. " 과학 학생들은 실험에서 서로 다른 화학 물질을 식별하기 위해 특정 시약을 사용했습니다. chemistry substance compound material science technical AI와 채팅어휘 게임독해 연습