有个零件松了经常卡住机器。

There's a loose part that keeps jamming the mechanism.

《牛津词典》

挑件蓝色的东西吧，求个吉利。

Take something blue. It's for luck.

《牛津词典》

照顾3个小宝宝是件很累人的活儿。

Coping with three babies is very hard work.

《柯林斯英汉双解大词典》

Third thing to notice is, there's a flow of control. The order which these things are going to happen.

第三件事情就是,我有一个控制流,这些事情有个要做的先后顺序。

麻省理工公开课 - 计算机科学及编程导论课程节选

It has a test in it, which is that while, while something is true, do something, but I want to keep doing it.

也有个测试在里面，也就是那个当，当一件事情为真的时候，做一些操作，但是我想一直进行判断。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, one thing they did, because it was so easy to measure kinetic energy of electrons, is plot the frequency of the light against the kinetic energy of the electron that's coming off here. And in your notes and on these slides here, just for your reference, I'm just pointing out what's going to be predicted from classical physics.

他们做的其中一件事,因为测量电子动能是很容易的，就是画出光的频率,和出射电子动能之间的关系,在讲义的这里，仅仅是,为了做个比较，我要指出，经典物理所给出的预测,这个不作为对你们的要求。

麻省理工公开课 - 化学原理课程节选