This should become second nature.

这应该变成一种天性。

麻省理工公开课 - 热力学与动力学课程节选

Delta u is zero, right? It should be completely second nature.

u=0，对吧？这应当,成为本能的答案了。

麻省理工公开课 - 热力学与动力学课程节选

I am going to be turning to the second passage on the sheet in which something about the nature of these systems, I think, can be made clear.

我将会将上面第二页的东西,关于符号系统的本质。

耶鲁公开课 - 文学理论导论课程节选