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de.mon.strate (obj) SHOW5dem7En7streItvto show; to make clear显示，弄清These figures clearly demonstrate the size of the economic problem facing the country. [T]这些数字清楚地显示出国家所面临的经济问题的规模。Research has demonstrated that babies can recognize their mother's voice very soon after birth. [+ that clause]研究显示，婴儿出生后不久即能辨认母亲的嗓音。The connection between smoking and lung cancer has been conclusively demonstrated (= proved). [T]吸烟与肺癌的联系已经被令人信服地证实了。To demonstrate something is also to show it and explain how it works.演示Martin has a new job demonstrating vacuum cleaners to people in their own homes. [T]马丁有了新的工作，即向人们在他们自己家中演示真空吸尘器的使用。The teacher demonstrated how to use the equipment. [+ wh- word]老师示范如何使用这台设备。
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