Demonstration

教师论证了引力定律。

他打算参加示威, 但后来临阵退缩了。

在这个时候发动一场反英示威是极不合时宜的。

我们从窗口看示威游行。

示威集会在纷乱中解散了.

demonstrate 的名词

demonstration n 1 [C, U] (instance of) showing sth by giving proof or evidence 证明; 论证 convinced by (a) scientific demonstration 以科学的论证使人信服 a demonstration of a law of physics 证明一物理定律. 2 [C, U] (instance of) showing and explaining how sth works （对某物如何操作的）示范, 解释 a demonstration of the computer's functions 计算机功能的示范表演. =>Usage 见所附用法. 3 [C] ~ (against/in favour of sb/sth) public, often organized, rally or march protesting against or supporting sb/sth （抗议或拥护某人[某事], 常为有组织的）集会或游行 a mass demonstration in support of the regime 拥护该政权的群众集会. 4 [C] outward sign; example 表现; 表示; 实例 a demonstration of affection, eg embracing sb 爱的表示（如拥抱某人） a clear demonstration of their intentions 他们明显表示意图. demonstration, NOTE ON USAGE 用法: 1 A demonstration and a display do not require a specific or permanent site.*demonstration和display不必有特定的或永久的地点. At a demonstration one sees how something works or is done 在demonstration中可以看到某事物的操作情形 a cookery demonstration 烹饪表演 a demonstration of a new car 新汽车的使用示范. 2 A display is often for public entertainment *display常用於公共娱乐方面 a flying, fireworks, fashion, etc display 飞行、 烟火、 时装等表演. 3 A trade exhibition/show/fair is held in an exhibition hall or centre where commercial or industrial goods are advertised *trade exhibition fair是在exhibition hall或centre中举办的, 用以宣传工商业产品: a book fair 书展 the World Trade Fair 世界贸易博览会 the Motor Show 机动车辆展览 the Great Exhibition 大型展览会. 4 A show can also be of domestic animals or plants, often in competition for prizes. *show还可作豢养的动物展览或栽培的花草展览, 常为有奖竞赛. Paintings, drawings, etc are displayed in an exhibition 绘画等则在exhibition中展出 the Chelsea Flower Show 切尔西花展 a horse show 马展 * an art exhibition 美术展览会. 5 A fair or funfair is also a collection of entertainments (roundabouts, stalls, etc) travelling from town to town. *fair或funfair也可作巡回的娱乐集会（有旋转木马、 游戏摊位等）.

*[,demәn'streiʃәn]n. 示范, 实证【医】 示教, 实物教授【经】 商品宣传, 示范

论证，示教