diagram

n. /ˈdaɪəɡræm/ B1

示意图；图解；图表

A simple drawing showing the parts or operation of something.

仙境例句

The old Turtle drew a diagram of a fish on the blackboard, showing where the eyes and tail should go.

老海龟在黑板上画了一张鱼的示意图，标出眼睛和尾巴该长在哪里。