她迅速确立了自己在该领域的领先专家地位。

She quickly ___established herself ___as a leading expert in the field.

这项开创性的研究将该理论确立为现代物理学的一项基本原理。

The groundbreaking research ___established the theory ___as a fundamental principle of modern physics.

他的早期作品确立了他作为当代文学重要声音的地位。

His early works ___established him ___as a major voice in contemporary literature.