"But the next instant Nancy's heart gave a leap.

VOA: special.2009.08.24

And this is just a Newtonian expression of momentum, the product of the mass of the electron times its instant velocity.

这只是牛顿学上关于动量的表达，用电子质量,乘以瞬时速度。

麻省理工公开课 - 固态化学导论课程节选

She gave up presently as if a cloud had approached the sun or the smog thickened and so broken the religious instant, whatever it might have been.

现在她放弃了，就像乌云蔽日,烟雾笼罩,这个宗教瞬间也破碎了，不管它之前是这么样子。

耶鲁公开课 - 1945年后的美国小说课程节选

And for many others, in Iraq and in other nations, the act turned the journalist into an instant folk hero, inspiring rallies, offers of money and marriage, as well as a statue of a bronze shoe.

VOA: standard.2009.09.15

When you're driving in your car, there's a needle and the needle says 60; that's your velocity at this instant.

当你在开车时,有一根指针指着60,表示你这个时刻的速度

耶鲁公开课 - 基础物理课程节选

They are a function of the instant atomic arrangement, how we arrange the atoms: same composition, simple example, one inch thick pine board, one inch thick plywood.

那是即时的原子排序,的功能，我们如何排序原子，同样的成分，简单的例子，一英寸厚的松木板，一英寸厚的胶合板。

麻省理工公开课 - 固态化学导论课程节选

How do I reduce this to a smaller-size problem in the same instant?

我怎么能把这个问题,缩小成更小规模的问题呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

But it's a big help and it's kind of interesting instant reaction to things.

它确实有用,可以即时地把信息反馈回来

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

That is the whole triumph of calculus is to know that by looking at the position now, the position slightly later and taking the ratio and bringing later as close as possible to right now, we define a quantity that we can say is the velocity at this instant.

这就得靠微积分了,通过了解它现在的位置,和一小段时间以后的位置,计算它们的比,再让时间间隔尽可能缩短,我们就定义了一个,被我们称之为瞬时速度的物理量

耶鲁公开课 - 基础物理课程节选

At every instant, it's got a location given by the vector R; R itself is contained in a pair of numbers, x and y, and they vary with time.

在每一个瞬时,它的位置由位矢 R 给出,R 本身包含了一对坐标值 x 和 y,并且它们都随着时间的变化而变化

耶鲁公开课 - 基础物理课程节选