demonstrated是什么意思

demonstrate 英[?dem?nstre?t] 美[?d?m?n?stret]

vt. 论证; 证明,证实; 显示,展示; 演示,说明;

vi. 示威游行;

[例句]Mr ackroyd had him come here to demonstrate.

艾克罗伊德先生和他到这儿来做示范演示。