demonstrate

demonstrate
verb

[with obj.]clearly show the existence or truth of (something) by giving proof or evidence
证明，证实
their shameful silence demonstrates their ineptitude.
他们可耻的沉默证明了他们的无能。
■give a practical exhibition and explanation of (how a machine, skill, or craft works or is performed)
演示
computerized design methods will be demonstrated.
将要演示利用计算机进行设计的各种方法。
[with clause]she demonstrated how to cook chops.
她演示如何做肉排。
■show or express (a feeling or quality) by one's actions
显示，表露（感情）；表现（品质）
she began to demonstrate a new-found confidence.
她开始表现出新近确立起来的自信。
[no obj.]take part in a public demonstration
参加（公众示威）游行（或集会）
thousands demonstrated in favour of the government.
成千上万的民众游行支持政府。

语源

mid 16th cent. (in the sense 'point out'): from Latin demonstrat- 'pointed out', from the verb demonstrare

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