•These figures clearly demonstrate the size of the economic problem facing the country.这些数字清楚表明了该国经济问题的严重程度。

•[+ that] Research has demonstrated that babies can recognize their mother's voice very soon after birth.研究显示，婴儿出生后很快就能辨识母亲的声音。

•These problems demonstrate the importance of strategic planning.这些问题显示出了战略规划的重要性。

•He's got a job demonstrating kitchen equipment in a department store.他找到一份在百货店示范厨房设备的工作。

•[+ question word] The teacher demonstrated how to use the equipment.老师示范了如何使用这种设备。

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•He has demonstrated a genuine interest in the project.他对该企划案表现出了极大兴趣。

•His answer demonstrated a complete lack of understanding of the question.他的回答表明他完全没有理解这个问题。

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•Thousands of people gathered to demonstrate against the new proposals.数千人聚集在一起示威，抗议这些新提案。