demonstrated是什麽意思

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

vt. 論證; 證明，證實; 顯示，展示; 演示，說明;

vi. 示威遊行;

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

艾克羅伊德先生和他到這兒來做示範演示。