答案:demonstrate
1. show or prove sth. clearly 說明;證明;證實(shí);論證
- The research aims to demonstrate the effectiveness of the new treatment.
- The data clearly demonstrates that the hypothesis is incorrect.
2. show or describe how to do sth. or how sth. works 示范;演示
- The instructor will demonstrate the proper technique for performing the exercise.
- The mechanic demonstrated how the engine works to the students.