conclusive

法医报告提供了他无罪的确凿证明。

The forensic report offered ___conclusive proof of his innocence.

经过多年研究，科学家们就气候变化问题得出了确凿的结论。

After years of research, scientists reached a ___conclusive verdict on the climate change issue.

虽然没有确凿的证据证明食物对人们行为的影响，但我们可以根据人们吃的食物类型观察到某些行为模式。

Although there is no ___conclusive evidence of the influence of food on people's behavior, we can observe certain patterns of behavior depending on what kind of food people eat.