Just like drones before them, miniature satellites are beginning to fundamentally transform our conceptions of who gets to do what up above our heads.

就像之前的无人机一样，微型卫星开始从根本上改变了我们的观念：谁能在我们的头顶上做什么。

youdao

Stick up for what you believe.

你相信什么，就要捍卫它。

《牛津词典》

She's always on the phone, wanting to know what I've been up to.

她总是打电话，想知道我忙了些什么。

《柯林斯英汉双解大词典》

Yet up at about five-thousand-four hundred meters the air pressure is only about half of what it is on the ground.

VOA: special.2011.04.06

So it's a really powerful and simple formalism, once we set up what is needed the go through it, right?

因此这是一种很强大而简单的形式,一旦我们定下需要什么,就可以推导出它，对吧？

麻省理工公开课 - 热力学与动力学课程节选

I can see something special is going on here. What's up with today?

我看到今天有些特别的活动。发生了什么？

关于世界地球日 - SpeakingMax英语口语达人

Her new training is solidifying what up until now had been a casual fascination with technology.

WSJ: Breaking Tech's Code

They also can receive metadata associated with what up upload such as the time and location of where a photo was taken.

FORBES: Understanding Facebook's New Privacy Policy

"We will unequivocally defend his right to operate as a member of what up until now has always been a free press, " said Mr. Clemente.

WSJ: Fox News Phone Records Searched