demonstrate ·verb (PROVE)
Definition: to show or prove that something exists or is true Level: B2
最近的研究表明，定期锻炼与改善心理健康之间存在明显联系。
Recent studies ___demonstrate a clear link between regular exercise and improved mental health.
我们实验的数据证明了这种新方法多么有效。
The data from our experiment ___demonstrate how effective the new method is.
大量科学研究已证明吸烟是有害的。
Numerous scientific studies have ___demonstrated that smoking is harmful.