Let me start with the one with differentials that hopefully you kind of understood yesterday, but if not here is a second chance.

第一种就是昨天讲的微分法，希望你们能明白，不明白也没关系，现在可以认真听一下。

youdao

The child has not a strong constitution, and if you keep her here, she might never get well again.

这孩子体质不强，如果你把她留在这儿，她可能永远也不会好了。

youdao

When you want to know if something is transparent to visible light or not, here is the mystery material and here is visible light.

当你想知道某物对可见光是否透明时，这里是神秘物质，这里是可见光。

youdao

"What protects the lady is when the FBI does their background check, and if this guy's got a criminal record he's not going to be allowed to bring a lady here."

VOA: special.2011.02.14

If you scroll back up on the printout or screen here, you'll see that you can actually not only declare function's prototypes, their general structure.

如果我回滚到打印输出或者这个屏幕，你们将看到你们不仅可以声明函数的原型,它们的一般结构。

哈佛公开课 - 计算机科学课程节选

And what I'm showing here is not on your notes, if you're interested you can look it up in your book.

我这里展示的没有在你们的讲义里给出，如果你们感兴趣的话可以看看课本。

麻省理工公开课 - 化学原理课程节选

If you're planning on catching a launch soon, do yourself a favor and do your homework -- if not here, then at NASA's site.

CNN: The Internet: the final frontier for space watchers

If not, here are results just from Forbes.com alone.

FORBES: Lemonade and Liberty

Now, when it comes to giving our young people the education they deserve, see, Barack knows that like me, and like so many of you, we never could have attended college without financial aid -- never. (Applause.) We would not be standing here if not for financial aid.

WHITEHOUSE: Remarks by the First Lady at a Campaign Event