Bruce: Here you are. What's it for? Is it an engine part or something? It sounds vital and important.

布鲁斯：在这里，它有什么用途呢？是机件的某部份吗？看来好像很重要。

youdao

The sounds bounce off them and the lower jaw captures the returning sounds, making it possible for the dolphin to sense what's in the surrounding water and decide where to swim.

声音从它们那里折射，下颌捕捉到返回的声音，使海豚能够感受到周围水域中有什么，并决定游向哪里。

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The experiment highlights the importance of morality: without it, how can a robot decide whom to save or what's best for humanity, especially if it can't calculate survival odds?

这个实验强调了道德的重要性：如果没有道德，一个机器人怎么能决定拯救谁，或者什么对人类最有利，尤其是当它不能计算生存几率的时候？

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"That's what really opened up the experience for me, to prove how bad it is to really text and drive."

VOA: special.2010.07.01

So, what's it for? What does it do?

那么笑到底有什么用？

耶鲁公开课 - 心理学导论课程节选

Whatever you're reading, it's always worth thinking about and considering what the motives might be for such extraordinary literary risk taking.

不管是读什么，想想作者,为什么会不惜冒这么大的险,总是有意义的。

耶鲁公开课 - 弥尔顿课程节选

So what's it for, you ask?

ENGADGET: Woven's wearable platform for gaming, cool points and a whole lot more (video)

It's not just about the size and the design of the stadium, it's what it stands for and what's going to be happening there that adds to the whole thing.

BBC: London 2012: 'Brilliant! I'm going to the Paralympics!'

"I guess that's what it's known for here, " said James Tatesure, 34, of Toms River.

WSJ: Ups, Downs for a Jersey Shore Ride Named Super Storm