beyond a doubt造句怎么写

Although Hatshepsut's mummy appeared to have a rather disgusting skin disease on the face and neck, researchers were not able to establish beyond a doubt that it was a dermatosis.

She now knew beyond a doubt that her writing was but a thin echo of a dead man's.

The guilt of the goldsmith was proved beyond a doubt.

To Donne she always served the treat, and was happy to see his approbation of it proved beyond a doubt.