I don't know if you know how a spark plug works, but for the electrical current to fly into operation in a spark plug, the two points of contact have to be gapped.

我不知道你们是否知道,火花塞是怎样工作的，在电流通入火花塞中使它运转之前，两个接触点之间需要有空隙。

耶鲁公开课 - 文学理论导论课程节选

because they fly in to land on our medical center, a few times a day usually.

因为它们飞进来在我们的医学中心上降落，一天通常会有好几次。

学习机械工程 - SpeakingMax英语口语达人

Should be a pretty simple fix in fact we should be able to do it on the fly, here. What should I change?

这应该有一个很简单的补救措施,实际上我们匆匆忙忙的改好它,这儿，我该怎么改呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

There is somebody in a car and decided to fly off.

有个人准备开着车飞出去

耶鲁公开课 - 基础物理课程节选

If, like you--, I think most of us picture these things up from a perspective in a corner of the room, up on the wall, looking down, kind of a fly's perspective.

我想我们中大部分人都会,从屋子一角开始想象这个画面，从墙头往下看，好像飘浮在空中一样。

耶鲁公开课 - 死亡课程节选

The goal of that was to take for a typical human, or for a typical - in the case of the human genome project maybe you're looking at fruit flies, you want to look at all the DNA in a fruit fly, but to look at the sequence of base pairs that makes up human DNA and write them all out; we'll talk about that later.

这个计划的目的是,建立一个有代表性人类的基因顺序,或者说是典型的人类基因组,就人类基因组计划来说,或许你在研究果蝇,你想观察果蝇内的所有DNA,而人类基因组计划是观察组成人类的,DNA的碱基对顺序并且将它们记录下来,我们不久之后会讨论这些内容

耶鲁公开课 - 生物医学工程探索课程节选

it's not as good as helping debug, sorry, that's the wrong way of saying it's not as good at catching some things before you run them, it is easier at some times in debugging as you go along on the fly.

它在帮助我们调试方面可能不是太优秀，对不起，这么说有点不正确,它在运行前捕捉错误,可能不是那么优秀，可能边运行边调试,会更容易一些。

麻省理工公开课 - 计算机科学及编程导论课程节选