Ruralness is often used to explain the distinctiveness of Southern writing and art and so on.

一般来说,乡村气息通常被归结为,南方文学艺术的特色

耶鲁公开课 - 美国内战与重建课程节选

Because of the sort of particular character of the bassoon sound, it's often used to play sort of funny, little low-note characters in the orchestra.

由于巴松管的声音有这种特点,它总是用来表现幽默,在管弦乐队中演奏比较低沉部分

耶鲁公开课 - 聆听音乐课程节选

Often that signal gets amplified so it can be used, same thing happens inside cells and there's some output that's generated.

通常这些信号要放大后才会产生作用,诱发细胞内发生一些变化,并产生某种输出信号

耶鲁公开课 - 生物医学工程探索课程节选

It used to be that government officials were all picked by political patronage and they, very often, were incompetent.

过去政府官员,通常都是走后门进来的,他们经常都是不称职的。

耶鲁公开课 - 金融市场课程节选

We'll talk more about this later, but it often happens that when you change your program to solve one problem you break it, and things that used to work don't work.

我们以后会更多的去讨论者一点，但是经常发生的情况是当你因为,一个问题修改你的程序的时候,你修改了程序,但原来没问题的模块。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's one of the interesting and curious features of the Protestant mask, Comus,that this is a distinction that's never really observed or acknowledged. Virginity and chastity seem to be used often and kind of awkwardly, I think, interchangeably.

这是新教徒面具里一种有趣而不寻常的特征，《科玛斯》，这是一种永远,不会被发现或是承认的区别，我觉得童贞和贞节,似乎经常被笨拙的互换使用。

耶鲁公开课 - 弥尔顿课程节选