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Wow Wow.
哇，哇。
What's going on?
到底怎么回事？
What's all this quacking about?
为什么嘎嘎叫？
Well，we were in Sam the bat's observatory.
嗯，我们当时在蝙蝠山姆的天文台里。
And there was a button really high up on the wall that we really wanted to push to see what it would do.
墙上有一个非常高的按钮，我们真的很想按下它，看看它是做什么的。
Yeah, and neither of us could reach it.
是啊，我们两个都够不着。
But I told Bill about something called engineering that could help us.
但我告诉了比尔一种叫做工程的东西，它可以帮助我们。
Wow, that's a great idea.
哇，这是个好主意。
Engineering is how people develop solutions to problems.
工程学是人们开发问题解决方案的方式。
First engineers identify a situation they want to change and then they design and test solutions to the problem.
首先，工程师确定他们想要改变的情况，然后他们设计和测试问题的解决方案。
Yeah, it sounded cool.
是啊，听起来很酷。
So, you identify the problem --- you couldn't reach the button.
所以，你们找出了问题所在---你们够不到按钮。
And you decided to approach the problem using engineering.
你决定用工程学的方法来解决这个问题。
What happened next?
接下来发生了什么？
Well, we each designed a high up button pusher to help us try to reach the button.
嗯，我们每个人都设计了一个高高的按钮推进器来帮助我们尝试够到按钮。
I think mine is better.
我觉得我的更好。
All right, settle down, you two!
好了，安静下来，你们两个！
I bet both of you came up with some great designs.
我打赌你们两个都想出了一些很棒的设计。
Why don't you show me what you made.
为什么不让我看看你们做了什么。
I have my design right here.
我的设计就在这里。
You can see that I nailed several long pieces of lumber together I can reach some high buttons.
你可以看到，我用钉子把几块长木板钉在一起，我可以够到一些很高的纽扣。
Wow Bill, I can see that your design is very strong and stiff.
哇，比尔，我看得出你的设计非常结实牢固。
It would be great for reaching things that are far away，like that button.
它可以很好地够到很远的东西，比如那个按钮。
But it also looks very heavy, I can imagine it might be hard for you to lift this one up.
但是它看起来也很重，我可以想象到你可能很难把这个举起来。
Yeah, it was a little hard to handle when I was testing it in the observatory.
是的，当我在天文台测试它的时候，它有点难控制。
Well, look at mine.
嗯，看看我的。
It's nice and lightweight, just taping a stick at the end.
我的很好，重量也很轻，只需在末端粘上一根棍子。
Web, yours does look very light, which would make it very easy for almost anyone to use.
韦伯，你的确实看起来很轻，任何人使用起来都很容易。
But it's a little bit floppy, don't you think?
但它有点松软，你不觉得吗？
It was very easy to lift up but you're right, it was kind of hard to control.
它很容易举起来，但你说得对，确实很难控制。
Well, you know, the best part about engineering is that there can be more than one way to solve the same problem.
嗯，你知道，工程学最棒的部分就是，可以有不止一种方法来解决相同的问题。
You both came up with solutions to the problem and both of them had strengths and weaknesses when you tested them out.
你们两个都想出了解决问题的办法，当测试这些方案时，它们都有长处和短处。
Let's think about what those were.
让我们想想这些都是些什么。
Bill, yours was strong but hard to use.
比尔，你的很结实，但很难用。
Web, yours was easy to use but super flimsy.
韦伯，你的很好用，但太软了。
But that's okay, because finding a really good solution to a problem sometimes takes a few tries.
但这没关系，因为找到一个真正好的问题解决方案有时需要几次尝试。
Even engineers have to test their designs to see what's working and what's not working and make them better.
即使是工程师也必须测试他们的设计，看看什么是可行的，什么是不可行的，并使它们变得更好。
Orville and Wilbur Wright, two brothers who made the first airplane to fly in the sky.
奥维尔和威尔伯·赖特兄弟，他们制造了第一架在空中飞行的飞机。
But before that they tested many designs.
但在此之前，他们测试了许多设计。
First, they made gliders that could only glide through the air instead of flying.
首先，他们制造了只能在空中滑行而不能飞行的滑翔机。
Then, they added engines so those gliders could stay up in the sky and they had an airplane.
然后，他们增加了引擎，这样滑翔机就可以停留在空中，他们就有了飞机。
Maybe we can take a little bit from each of your designs and make an even better high up button pusher.
也许我们可以从你们的设计中各取所长，制作出更好的高位按钮推动器。
What if we use the tape from mine to tape small lightweight pieces of wood together.
如果我们用我的胶带把小块轻质的木头粘在一起会怎么样？
Yeah, then it would be strong like mine but lightweight like web's design.
是的，那么它就会像我的一样结实，但像韦伯的设计一样轻巧。
Great ideas, you two!
好主意，你们两个！
Let's build a new design that combines a little bit from each and see how it does.
让我们构建一个新的设计，将每个设计结合起来，看看怎么样。
Da da!
哒！哒！
Wow, look at this great design that you worked together to make.
哇，看看你们合作做的这个伟大的设计。
Yeah, it's still made of strong wood just smaller pieces.
是的，它仍然是用坚固的木头做的，只不过是小块的。
The small pieces of wood help make it lightweight, so anyone can lift it up.
这些小木片有助于使它变得更轻，所以任何人都可以把它举起来。
Great work you two，using your engineering and teamwork skills to create an excellent solution to a problem.
你们两个干得很好，利用你们的工程学和团队合作技能为问题创造了一个出色的解决方案。
Let's head to the observatory to test it out.
我们去天文台试探一下吧。
Yeah!
嗯!
If there's one thing I know about Bill and Web, aside from that they love to argue, is that they have two favorite foods.
如果说我对比尔和韦伯还有什么了解的话，除了他们爱争吵，那就是他们有两种最喜欢的食物。
The first one is gummy worms and the second one is earthworms.
第一种是软糖虫，第二种是蚯蚓。
So I'll make a big bowl of each.
所以我会把每个都做一大碗。
Oh, good thinking!
哦，好主意！
I better get them each their own bowls or else they'll spend all of dinner fighting over them.
我最好给他们每人一个碗，否则他们整个晚餐都会为这些碗而争吵。
