n.

1. 图表；图解；（曲）线图；示图[C]
   He draw a diagram to explain his theory.

   他画了一张图来解释他的理论。

vt.

1. 用图解法表示，图示
   The architect diagramed the floor plan to show how he would divide the office space.

   建筑师画了楼面的平面图以表示他将如何划分办公场地。

n.

1. a simplified drawing showing the appearance or structure of something.
2. Brit. a graphical schedule for operating railway stock to provide a desired service.

v.

1. represent in graphic form.
2. Brit. schedule the operations of (a locomotive or train) according to a diagram.