演示的用法和样例:
例句
-
录像带上演示了坐下、起立、屈蹲以及其它健美操练法
Sit-ups, trunk twists, and other calisthenics are demonstrated on the videotape. -
我来给你演示这台机器是怎样操作的。
Let me demonstrate to you how this machine works. -
她画了一排由近而远高度递减的树以演示透视法的规律。
She drew a row of trees receding into the distance to demonstrate the laws of perspective.