英文：A discrete part or portion of a work, such as a painting, building, or decorative object, especially when considered in isolation.
中文：细部某项作品（例如绘画、建筑、装饰）的一部分，尤指这些部分被分开来独立考虑的部分
英文：Any of several devices that convert incident electromagnetic radiation of mixed frequencies to one or more discrete frequencies of highly amplified and coherent ultraviolet, visible, or infrared radiation.
添加新评论