demonstration [ˌdemənˈstreɪʃn]
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基本释义
n.表明,示范,论证,示威
英英释义
when you show someone how to do something, or how something works
参考例句
His new book is a demonstration of his patriotism. 他写的新书是他的爱国精神的证明。
He gave a demonstration of the new technique then and there. 他当场表演了这种新的操作方法。
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