光学显微镜 guāngxuéxiǎnwēijìng optical microscope Origin Definitions Defs Strokes Stroke Words Sentences Sents 光学 光學 guāngxué noun optics the branch of physics that deals with the properties, behavior, and nature of light显微镜 顯微鏡 xiǎnwēijìng noun microscope an instrument used for viewing very small objects by magnifying their image using optical lenses or electron beams