快速答案
descobrir 发现原本存在的事物；inventar 创造新事物或编造。
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
descobrir
to discover or find out
Use descobrir for revealing something that already existed or learning a previously unknown fact.
inventar
to invent or make up
Use inventar for creating something new or fabricating a story or excuse.
如何选择
- descobrir: Choose descobrir if the sentence points to revealing something that already existed or learning a previously unknown fact.
- inventar: Choose inventar if the sentence points to creating something new or fabricating a story or excuse.
例句
Os pesquisadores descobriram uma nova espécie.
The researchers discovered a new species.
Ela inventou um aparelho para economizar água.
She invented a device to save water.
常见误区
A scientist may descobrir a natural phenomenon and inventar a device that uses it.
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 descobrir，一次用 inventar。如果两个版本都可以，说明意思怎样变化。