检察官出示了确凿的证据，将嫌疑人与犯罪现场联系起来。

The prosecutor presented ___solid evidence linking the suspect to the crime scene.

预科年为研究方法论打下了坚实的基础。

The foundation year provides a ___solid grounding in research methodologies.

她广泛的实地调研为她的论点奠定了坚实的基础。

Her extensive fieldwork gives her arguments a ___solid foundation.