demonstrate
v
1
(a) [Tn, Tn.pr, Tf, Tw]
~ sth (to sb) show sth clearly by giving proof or evidence 证明; 论证
demonstrate the truth of a statement (to sb) (向某人)证明一说法的真实性
How do you demonstrate that the pressure remains constant? 你怎样证明压力一直不变?
Can you demonstrate what you mean by that? 你那样做能说明你的意思吗?
(b) [Tn, Tf, Tw]
be an example of (sth); show 是(某事物)的实例; 表明; 表示
The election demonstrates democracy in action. 这次选举是以实际行动体现了民主.
His sudden departure demonstrates that he's unreliable/how unreliable he is. 他突然离去表明他不可靠[他多麽不可靠].
2 [Tn, Tn.pr, Tw]
~ sth (to sb) show and explain how sth works or a way of doing sth 示范并解释某物如何操作或使用
An assistant demonstrated the washing machine (to customers). 店员(向顾客)示范如何使用洗衣机.
She demonstrated how best to defend oneself. 她示范最有效的自卫方法.
3 [I, Ipr] ~ (against/in favour of sb/sth) take part in a public rally, etc, usu as a protest or to show support 示威; 进行示威集会或游行
Thousands demonstrated against the price increases. 数以千计的人举行示威, 抗议物价上涨.
4 [Tn] express (sth) by one's actions 用行动表达(某事)
Workers have already demonstrated their opposition to the plans. 工人们已经表明反对这些方案.
demonstrate strong feelings 显示出强烈的感情.
Of course he is. He's very successful. He's made lots of records. They broadcast a programme of his music last month on the radio. Why don't you come on Saturday? I think you'd enjoy it.