noun 下载 🔗分享 光谱仪,分光计. An optical instrument for measuring the absorption of light by chemical substances; typically it will plot a graph of absorption versus wavelength or frequency, and the patterns produced are used to identify the substances present, and their internal structure. Examples : "The chemist used spectrometers to analyze the different colored solutions in the lab, identifying the unknown compounds and their structures. " 这位化学家使用光谱仪分析了实验室里不同颜色的溶液,从而鉴定了未知的化合物及其结构。 technology science physics chemistry device machine 与AI对话词汇游戏阅读练习