7个“超酷”的液氮演示实验：英语精读讲义

The demonstrations you're about to see are for educational and entertainment purposes only and are not intended to be duplicated. 語法

你将要看到的演示仅供教育和娱乐参考，请勿模仿。

Get out your container of liquid nitrogen

拿出你装液氮的容器，

and grab a box of Neapolitan ice cream.

并拿一盒三色冰淇淋。

This is the type of ice cream that has three flavors in one,

这是一种将三种口味融为一体的冰淇淋，

so go ahead and separate the colors into different containers 語氣意圖

所以，直接把不同颜色的部分分别装进不同的容器里，

and give them a couple of minutes to melt. 短語搭配

然后等几分钟让它们融化。

In the meantime, 表達脈絡

与此同时，

we'll need to fill a bowl with liquid nitrogen.

我们需要在一个碗里装满液氮。

This stuff is minus 321 degrees Fahrenheit,

这东西的温度是零下321华氏度，

which means it's well below the freezing point of your party guests. 用詞

意味着它远低于你派对客人的冰点。

Now,

现在，

if you try dripping your flavors in one drop at a time, 短語搭配

如果你尝试将融化的冰淇淋一滴一滴地滴进去，

you'll notice they instantly bead up and freeze solid. 講解

你会发现它们立刻凝结成珠并冻成固体。

When you've got all the flavors you need,

当你把需要的所有口味都弄好后，

simply scoop the tasty pellets into a serving bowl and voila,

只需把这些美味的小颗粒舀进碗里，瞧，

you've got a futuristic ice cream ready to serve and enjoy.

你就得到了一份充满未来感的冰淇淋，随时可以享用。

Load up a bowl with mini marshmallows 短語動詞

在碗里装满迷你棉花糖，

and sprinkle liquid nitrogen over the top.

并在上面倒上液氮。

The marshmallows should freeze instantly,

棉花糖应该会瞬间冻结，

but go ahead and let them soak for about 30 seconds just to be sure. 短語搭配

但为了确保万无一失，还是让它们浸泡大概30秒吧。

The end result is a sub-zero chill pill that's perfectly fine to eat and lets you see your breath when you crunch into it. 講解

最终结果就是一颗低于零度的冰镇糖丸，完全可以食用，而且咬碎时还能让你看到自己呼出的白气。

Now,

现在，

if you flash freeze a larger marshmallow, 用詞

如果你速冻一颗大号棉花糖，

rather than eating it, 語法

然后不吃它，

try placing it on a plate and giving it a smack. 短語搭配

而是把它放在盘子上并用力拍一下。

It'll shatter into a thousand pieces.

它会碎成千百块。

For this trick,

做这个戏法，

you'll need a glass bottle with a narrow neck and a party horn with a little hot glue added around the bottom. 用詞

你需要一个窄口的玻璃瓶，以及一个底部涂了一点热熔胶的派对吹龙喇叭。

When it gets placed in the bottle,

当把它塞进瓶子时，

it should make a nice snug fit. 短語搭配

应该会卡得严丝合缝。

Now,

现在，

carefully pour the liquid nitrogen so the bottle is a quarter full,

小心倒进液氮，让瓶子装满四分之一，

followed by a shot of hot water. 語法

紧接着倒入少许热水。

You can see that when the horn is pressed into place, 短語搭配

你会看到，当喇叭被按压到位时，

it becomes a crazy noisemaker that blows all on its own. 短語搭配

它就成了一个会自己疯狂吹响的发声器。

If you get a few of these things going, 語法

如果你多弄几个这玩意，

you can really make some noise.

真的能制造出不小的动静。

When there isn't enough pressure to keep the horns going, 語法

当压力不足以让喇叭继续吹响时，

try adding more hot water to the bottle

试着往瓶子里加点热水，

and place a balloon over the top.

并在顶部套上一个气球。

There will still be enough pressure shooting up to inflate the balloons all on their own.

冲上来的压力依然足以让气球自行膨胀。

It'll save you the effort, 短語搭配

这能省你不少力气，

and the gas inside is completely harmless.

而且里面的气体是完全无害的。

Cut the top off of an empty soda can 短語動詞

剪掉一个空易拉罐的顶部，

and fill it up with more liquid nitrogen. 短語動詞

并在里面装上更多液氮。

If you let the can sit for a few minutes,

如果你让易拉罐静置几分钟，

the extreme cold will pull oxygen out of the air and trap it at the bottom.

极度的严寒会把空气中的氧气提取出来并困在罐底。

Now,

现在，

try dipping a super strong magnet into the liquid,

试着把一块超强磁铁浸入液体中，

and when you pull it out,

当你把它拔出来时，

you'll have liquid oxygen stuck to the bottom,

你会发现液氧吸附在了底部，

at least until it warms up and boils off. 短語動詞

至少在它变暖并沸腾挥发掉之前是这样的。

Blow up a bunch of little party balloons 短語動詞

吹起一堆小号派对气球，

and soak them in a container of liquid nitrogen

接着把它们浸泡在一罐液氮里，

so they shrink down to almost nothing. 短語動詞

这样它们就会缩得很小很小。

Then quickly scoop them all into a bowl and stand back to watch the magic. 短語動詞

然后迅速把它们全都舀进一个碗里，退后一步见证奇迹。

Rising from a layer of mysterious flowing fog, 語法

从一层神秘流动的雾气中升起，

your little balloon babies begin to grow right before your eyes, 習語

你的气球宝宝们开始在你眼前不断长大，

spilling over and covering the table. 短語動詞

甚至溢出来铺满整个桌子。

They grow up so fast, 語氣意圖

它们长得真快，

don't they?

不是吗？

Fill one of your small balloons with helium

给你的其中一个小气球充入氦气，

and shrink it down in liquid nitrogen like you did the others. 語法

然后像之前那样在液氮中把它缩小。

Now,

现在，

scoop it out and place it down on a table to see what happens.

把它舀出来放在桌子上，看看会发生什么。

You'll notice that after a few seconds,

你会发现几秒钟后，

it suddenly pops upright, 短語搭配

它突然立了起来，

then takes off like a little UFO. 短語動詞

然后像个小UFO一样飞走了。

Your friends should be impressed

你的朋友们一定会印象深刻，

to see your little creation grow up and begin to fly.

看到你的小发明变大并开始飞翔。

Well,

好了，

now you know seven different party tricks with liquid nitrogen. 表達脈絡

现在你掌握了七个用液氮玩的派对小把戏。

If you like this project,

如果你喜欢这个项目，

perhaps you'll like some of my others.

也许你也会喜欢我的其他视频。

Check them out at the kingofrandom.com. 短語動詞

去 thekingofrandom.com 看看吧。

If you like adventures with mad science and mystery,

如果你喜欢疯狂科学与未知的冒险，

then you'll probably love the Hobbit,

那你可能会爱上《霍比特人》，

a story of magic,

这是一个关于魔法、

mystery,

谜团、

treasure,

宝藏

and dragons.

与巨龙的故事。

You can get a free copy from audible.com/thekingofrandom

你可以在 audible.com/thekingofrandom 免费获取一本，

and choose from over 150,000 other titles.

还能从超过15万种其他有声书中进行选择。

audible.com is helping support these projects

audible.com 在帮助支持这些项目的同时，

and at the same time offering everyone a free audiobook and a free trial. 表達脈絡

还为每个人提供一本免费有声书和一次免费试用。

Just check the description for the special link

只需查看简介里的专属链接，

and find your next favorite book for free at audible.com/thekingofrandom.

就能在 audible.com/thekingofrandom 免费找到你下一本最爱的书。