银行是在进行内部审计时最先得知这个问题的。

The bank first learned of the problem when it carried out an internal audit.

《柯林斯英汉双解大词典》

在社会的内部，贫富之间有着一道日益加深的鸿沟。

Within society, there is a growing gulf between rich and poor.

《柯林斯英汉双解大词典》

在熔体内部，在重力的影响下，（研究人员）根据密度对不同元素进行了分类。

Within the molten interior, under the influence of gravity, different elements were sorted out by density.

youdao

It's really just the result of the virus dividing within cells of your skin, and producing a lot of dead cells.

这便是病毒在皮肤细胞内部,分裂的结果,这个过程会产生大量的死亡细胞

耶鲁公开课 - 生物医学工程探索课程节选

They're simply working within their own very narrow ambit.

他们只是简单地在有限范围的内部工作

耶鲁公开课 - 古希腊历史简介课程节选