快速答案
evidência 是支持结论的迹象；prova 是用于证明主张的材料，也表示考试。
可靠的方法是先判断这个词在句子里的功能，再翻译。
每个词的作用
evidência
evidence or clear indication
Use evidência for a fact or sign that supports a conclusion or makes something apparent.
prova
proof, evidence, or test
Use prova for material used to establish a claim, or an examination of knowledge or performance.
如何选择
- evidência: Choose evidência if the sentence points to a fact or sign that supports a conclusion or makes something apparent.
- prova: Choose prova if the sentence points to material used to establish a claim, or an examination of knowledge or performance.
例句
Os exames mostraram evidências de infecção.
The tests showed evidence of infection.
A gravação foi aceita como prova.
The recording was accepted as evidence.
常见误区
One evidência may not constitute conclusive prova. Legal and scientific standards decide how strong the support must be.
放到语境中练习
从你的真实生活中选一个句子，写两遍：一次用 evidência，一次用 prova。如果两个版本都可以，说明意思怎样变化。