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- 店员（向顾客）示范如何使用洗衣机。
An assistant demonstrated the washing machine (to customers).
- 她示范最有效的自卫方法。
She demonstrated how best to defend oneself.
- 她给我们作示范，说明怎样操作这部机器。
She gave us a demonstration of the machine to show how it worked.
- 请示范机器的使用方法。
Please demonstrate how the machine works.
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