在过去，除非受邀请介入，否则联合国不参与各国的内部事务。

In the past, the UN has stayed out of the internal affairs of countries unless invited in.

《柯林斯英汉双解大词典》

红黑树的叶子不包含信息，但是内部节点代表一个或多个可运行的任务。

Leaves in a red-black tree contain no information, but internal nodes represent one or more tasks that are runnable.

youdao

因为这种病毒是在鸡蛋内部生长，所以不接触或者清洗蛋壳并不能阻止沙门氏菌的扩散。

The bacteria grows inside the egg itself, so avoiding touching or washing the shell won't help stop the spread.

youdao

So, you might say, well, gee, why don't we just power our cars with hydrogen, use an internal combustion chamber.

你可能会说，好吧，哎呀，为什么我们不把氢气,放在汽车内部的燃烧室，来给我们的汽车提供动力呢。

麻省理工公开课 - 固态化学导论课程节选

Because if it's irreversible, it's very likely that I don't know what the pressure inside the system is doing while this is happening.

因为对不可逆过程，系统内部的压强,没有明确的定义,气体不处于平衡态。

麻省理工公开课 - 热力学与动力学课程节选

What if I don't change the value of that variable inside of the code?

那么如果在循环内部,我不改变这些变量的值会怎么样？

麻省理工公开课 - 计算机科学及编程导论课程节选