Sometimes, though, in an attempt to test how firm the floor is, you jump up and down!

但是，有时候，为了检验地板的牢固程度，你还会上下蹦几下！

youdao

Before you jump up and down, if you are a surviving gold bug, let me hasten to add that this does not imply a raging bull market the day after tomorrow.

在你跳向上和向下，如果你是一个幸存的黄金错误，让我赶紧补充，这并不意味着牛市肆虐后的第二天明天。

youdao

Jump straight up as high as you can after the squat position, holding your arms up directly over your head.

在蹲起后，尽可能地向上跳，把你的手臂举过头顶。

youdao

And quicker than you could shut your eyes that frogwould jump straight up and catch a fly off the table.

VOA: special.2009.08.29

OK, so how can I code this up? Well, you might think, let's just jump in and write some code, I don't want to quite do that though, because I want to show you another tool that's valuable for thinking about how to structure the code, and that is a something called a flow chart. Now.

好，那么我怎么把这个以代码实现呢，你可能会想，让我们进去直接写代码把,但是我不想这么做，因为我想教给大家另外一项很有价值的,用来组织代码的工具，叫做流程图,现在，像Guttag教授,和我这么大岁数的人。

麻省理工公开课 - 计算机科学及编程导论课程节选

It makes them jump up and down, and sing it with you.

VOA: special.2010.06.13

In case you failed punk rock 101, pogoing is a dance where you jump straight up and down.

NPR: Finding 'Employment' With the Kaiser Chiefs

Because, really, you can never truly feel close to a coffee machine until it's taunted you to jump up and down to fill your cup of joe.

ENGADGET: BeMoved coffee machine will make you jump for your caffeine fix

We're working on a full review of the MicroConsole and its accompanying controller and hope to bring that to you soon, but if you want a jump on things you'll find a perfectly sensible write-up from our friends at Joystiq, too.

ENGADGET: OnLive MicroConsole official at $99, we go hands-on and bombard you with details