réfractaires

In a sentence

• Les élèves réfractaires aux nouvelles méthodes d'enseignement ont besoin de plus de soutien.

  Students resistant to new teaching methods need more support.

  In this sentence, "réfractaires" is used to describe individuals who are resistant or opposed to something, demonstrating refusal or non-conformance in the context of adapting to new educational approaches.

• Certaines cultures alimentaires sont parfois réfractaires aux influences extérieures.

  Some dietary cultures are sometimes resistant to external influences.

  Here, "réfractaires" expresses the idea of resistance or non-acceptance regarding external influences on dietary traditions or practices.

• Les matériaux réfractaires sont essentiels dans les industries de haute température.

  Refractory materials are essential in high-temperature industries.

  In this context, "réfractaires" refers to materials that withstand high temperatures and are resistant to thermal stress, showing a technical or scientific application of the term.