快速答案
estrato 指层次；extrato 指提取物或摘要记录、对账单。
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
estrato
layer or social stratum
Use estrato for a layer in geology, biology, language, or society.
extrato
extract or statement
Use extrato for a selected essence, an excerpt, or a record of financial transactions.
如何选择
- estrato: Choose estrato if the sentence points to a layer in geology, biology, language, or society.
- extrato: Choose extrato if the sentence points to a selected essence, an excerpt, or a record of financial transactions.
例句
O estudo analisou cada estrato social.
The study analyzed each social stratum.
Consultei o extrato bancário pelo aplicativo.
I checked the bank statement in the app.
常见误区
Think of extraction for extrato. A camada remains in place as an estrato.
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 estrato，一次用 extrato。如果两个版本都可以，说明意思怎样变化。