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- 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.
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