- n. 樣本唱片；演示；<口>示威
a visual presentation showing how something works;
"the lecture was accompanied by dramatic demonstrations"
"the lecturer shot off a pistol as a demonstration of the startle response"
give an exhibition of to an interested audience;
"She shows her dogs frequently"
"We will demo the new software in Washington"
- The record company receives dozens of unsolicited demo tapes each week.
- The success of the demo did not come out of thin air.