We can prove conclusively that his assertion is wrong.

我们可以确证他的论断是错误的。

youdao

The fingerprints on the gun prove conclusively to be hers.

枪上的指纹颇有说服力地证明就是她的。

youdao

He was unable to prove conclusively how passage through the worm affected hatchability of cysts.

他未能结论性的证明为何经过蚯蚓则影响到胞囊的孵化力。

youdao

If the bail-outs work, it will be hard to prove conclusively that they were needed.

ECONOMIST: The treasury secretary is torn between politics and policy

This type of study can't prove conclusively that NSAIDs are responsible for the lower risk of breast cancer.

CNN: Study: Aspirin, ibuprofen may cut breast cancer risk

It will never be possible to conclusively prove what advantages selected for longer necked giraffes, say the researchers.

BBC: Earth News