But now notice, I can substitute now for this v squared, I can substitute the square of this that is the orbital speed and then I get M G over R.

现在注意我能,代替这个v平方，我能代入这个平方,那是轨道速度,然后得到MG在R上。

youdao

Yeah, and, you know, if I don't get out now, then I'm just gonna be stuck here like Mom.

VOA: standard.other

So I'm not gonna give it a lot of time today because I'm gonna go to class now and study and then have lunch.

因此，我今天不会过多地谈论这一点,因为我还要上课,学习，然后吃午饭。

普林斯顿公开课 - 人性课程节选

and then an intensive course. Now I'm in my second year.

然后上了密集课程。现在我是大二了。

想学会4种语言 - SpeakingMax英语口语达人

And I'm just wondering what happened between then and now to cause you to bring this up?

WHITEHOUSE: Press Briefing

So what I'm going to do now is I'm going to sign the housing bill, and then I'll talk a little bit about the anti-fraud bill.

WHITEHOUSE: President Obama: Reform for Homeowners

That was then, this is now and I'm sure by the time she arrives in the Stormont chamber Megan Fearon will be on message - once Sinn Fein has worked out exactly what the party line is on Desperate Housewives.

BBC: Culture shock for Stormont's youngest MLA, Megan Fearon