vt.

1. 論證，證明[+（that）]
   The lawyer demonstrated that the witness was lying.

   律師證明證人在說謊。

2. （用實驗，實例等）說明，教[+wh-]
   The doctor demonstrated the harmful effects of tobacco.

   醫生用實例說明菸草的有害的影響。

3. 示範操作（產品），展示
   The salesperson demonstrated a new washing machine.

   推銷員示範操作新的洗衣機。

4. 顯示，表露
   This fully demonstrates their willingness to cooperate.

   這充分表明他們願意合作。

vi.

1. 示威，舉行遊行示威[（+against）]
   The workers demonstrated for higher wages.

   工人示威要求加薪。

v.

1. clearly show the existence or truth of.
   ▸give a practical exhibition and explanation of.
2. take part in a public demonstration.