当然了，从那以后，我也发觉北京方言根本不是只加上儿话音那么简单，现在，我又来到了北京，呆了有将近一个月的时间了，却觉得北京话越来越难懂。

I've been here nearly a month now, and the Beijing dialect is becoming increasingly comprehensible.

youdao

花时间考虑一下从现在开始后的一年时间里你想去哪里，5年以后想去哪里，甚至是10年以后你想去哪里。

Spend some time and give thought as to where you'd like to be 1 year from now, 5 years from now and even 10 years from now.

youdao

现在剩下的时间不多了，我只好以后再给你讲这件事。

There is so little time left that I have to tell you about it latter.

youdao

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