After extensions for known file types were hidden, the result was an all-uppercase FBI.

隐藏已知的文件类型的扩展名之后，结果是为全部大写的FBI。

youdao

After extensions for known file types were hidden, the result was an all-uppercase FBI.

隐藏已知的文件类型的扩展名之后，结果是为全部大写的FBI。

youdao