a simplified drawing showing the appearance, structure, or workings of something; a schematic representation 图解,简图;示意图 a diagram of the living room. 客厅的简图。 ■(Geometry)a figure composed of lines that is used to illustrate a definition or statement or to aid in the proof of a proposition (几何)几何图形 ■(Brit.)a graphical schedule for operating railway locomotives and rolling stock in order to provide a desired service (英)火车运行时间图
[with obj.]represent (something) in graphic form 图示 the experiment is diagrammed on page fourteen. 在第14页对该试验进行了图示。 ■(Brit.)schedule the operations of (a locomotive or train) according to a diagram (英)根据火车运行时间图来安排(火车的)运行时间