把杨树籽热解会发生什么？：英语精读讲义

Hey, it's a beautiful day in May

嘿，这是五月里美好的一天，

and this tree right here is shedding these seeds everywhere 用詞

这里这棵树到处都在掉落这些种子，

that look a lot like cotton balls. 短語搭配

它们看起来很像棉球。

Now, it's not technically cotton, 語氣意圖

虽然严格来说它不是棉花，

but it's very light and fluffy the same way.

但它同样非常轻盈和蓬松。

And if you look on the ground here,

如果你看看这里的地面，

you can see they are pretty much everywhere. 短語搭配

你会发现它们几乎无处不在。

Now, you can see as you add the seeds together,

你看，当你把这些种子聚在一起时，

it makes a nice big ball of fluff.

它就变成了一个漂亮的大绒球。

It's very soft,

它非常柔软，

very light and fluffy.

非常轻盈和蓬松。

Let's see,

让我们来看看，

it's very easy to tear.

它是很容易被撕开的。

This stuff should make some pretty good tinder. 用詞

这东西应该能成为很不错的火种。

Let's add it to our batch.

让我们把它加到我们收集的这批里。

Now, of course,

当然了，

the first thing that comes to my mind is whether or not 講解

我脑海中浮现的第一个念头是，

we could use these to make some of that improvised charcloth.

我们能不能用这些来制作简易的炭布。

I used cotton balls for in a previous project.

我在之前的项目中就用过棉球做这个。

So, let's go fill up a tuna can full of this stuff

所以，让我们去把一个金枪鱼罐头塞满这东西，

and put it on the burner

然后把它放到燃烧器上，

and see if we can make some improvised fire starter.

看看能不能做些简易的生火材料。

So, I got quite a bit of this fluffy stuff. 短語搭配

所以，我弄了不少这种蓬松的东西。

I also got a tuna can.

我还拿了一个金枪鱼罐头。

You can see I poked a hole in the bottom there.

你可以看到我在它的底部戳了个洞。

And if we shove all that down in there

如果我们把所有这些都塞进去，

and put the lid back on top, 短語動詞

然后把盖子盖回去，

makes a pretty tight seal. 短語搭配

就能密封得很严实。

And now we can set that upright on a fire,

接下来我们可以把它立在火上、

a flame, a stove,

火焰上、或者是炉子上，

whatever you want as long as there's quite a bit of heat. 語法

随你怎么选，只要热量足够大就行。

We want to cook this thing without letting oxygen get in. 語法

我们要烘烤这个东西，同时不让氧气进去。

Now, when you go to cook charcloth that's as light and fluffy as

当你烘烤像

uh this cotton type of stuff,

这种像棉花一样的轻盈蓬松的炭布时，

you want to make sure that no air can get in there. 短語搭配

你必须确保没有空气能进去。

And this will pop open under pressure. 短語動詞

这个在压力下会爆开。

So, I'm just using like a rock to set on top there.

所以我只是随便找了块石头压在上面。

And it's really important not to overcook this. 語法

而且非常重要的是不能过度烘烤。

We want to just heat it up until it makes the flame.

我们只需要加热到它冒出火焰为止。

And when that flame goes down out of the top,

当火焰从顶部熄灭时，

we want to stop.

我们就要停止。

If we go any further than that, 語法

如果我们继续烤下去，

our charcloth is not going to work.

我们的炭布就不能用了。

There it goes.

搞定了。

We're done.

我们完成了。

Now, we just need to plug that hole with something 短語搭配

现在我们只需要找点东西把那个洞堵上，

to make sure that no air gets in there.

确保没有空气进入。

Something like that.

像这样就行。

And let it cool down.

然后让它冷却。

All right, it's actually only been about 2 minutes here, 語法

好了，实际上这才过了大概2分钟，

but I'm just going to show you what would happen if we open this up. 講解

但我打算给你们看看打开它会发生什么。

There we go.

我们打开看看。

Oh.

噢。

There, you see this one's undercooked. 用詞

你们看，这个没烤透。

This got really nicely charred,

这部分炭化得非常漂亮，

but this other side is only half-cooked.

但另一半才烤了一半。

But, I'm going to take a piece off here off the top

不过，我要从这顶上取下一块，

and we're going to see if that'll work as a proof of concept. 用詞

我们来看看它是否管用，权当是概念验证了。

Now, let's see how many of you guys remember what this thing is.

让我们看看有多少人记得这是什么东西。

This is one of the earliest projects I did.

这是我最早做过的项目之一。

It was my 14th project video

这是我的第14个项目视频，

and I made it transparent

我把它做成了透明的，

so we could actually see compression starting in action.

这样我们就能真实看到压缩点火的起火过程。

And it worked with cotton balls.

它和棉球配合得很完美。

So, I'm really curious to see how it's going to work with this improvised char 短語搭配

所以我很好奇，用我们从棉花树种子里做的

that we made from this cotton seed.

这种简易炭布，效果会怎样。

Now, all we need to do is just 語法

现在我们只需要

load the tip with a little bit of our char. 短語搭配

在顶端装上一点我们的炭布。

You see that claw grabs everything in there pretty nicely.

你们看，那个爪子能把里面的东西抓得很紧。

Once that's all nestled and set,

一旦它被塞好固定住，

we can go ahead and give it a nice big whack. 講解

我们就可以直接用力给它狠狠来一下。

Here we go.

准备。

If we did it right,

如果我们做对了，

we should have got a little flash.

应该会看到一丝火光。

And of course,

当然了，

once you get your tinder smoking, 語法

一旦你的火种开始冒烟，

you can put it in a bundle,

你就可以把它放进引火柴捆里，

give it a little blow.

轻轻吹一吹。

That actually did light on fire, though. 講解

不过，那还真的着火了。

That's cool.

太酷了。

You just want to drop that down in there.

你只需要把它扔进去就行了。

That is getting pretty close to going up in flames. 習語

它眼看着就要烧起来了。

I had to bring this outside

我不得不把它带到室外来，

so I didn't set off the smoke detector in the house. 短語動詞

免得引发房子里的烟雾报警器。

I wrapped another piece of paper towel around

我又拿了一块纸巾绕在它上面，

it just to give it a little more fuel.

只是为了给它多加点燃料。

But, I want to light this thing up for you.

但我想为你们点燃这个东西。

And then,

然后，

it should only take a few breaths of uh fresh air.

只需要吹几口新鲜空气。

And when you're trying to get your tinder to light, 語法

当你试图让火种点燃时，

it's best just to let it smolder at its own pace. 講解

最好让它按自己的节奏慢慢闷烧。

You don't want to rush it.

不要操之过急。

You go too fast,

如果你太快了，

it's not going to like that. 習語

它可不会喜欢的。

You can see this smoke is starting to get really thick.

你们看，这烟开始变得非常浓了。

There we go.

着了。

Ooh, here we go.

噢，着了。

Fire.

起火了。

Whoa!

哇！

that wasn't as easy as I thought it was going to be, 語法

并没有我想象的那么容易，

but at least we got it to work. 語氣意圖

但至少我们成功让它起作用了。