Eventually, corrugated cardboard struck a fine balance between retaining heat without trapping too much moisture.

最后，披萨店就采用了瓦楞纸板来做披萨盒，既可以保温，又不会让太多湿气留在盒子里。

It's wrapped in 24 layers of corrugated cardboard, which makes it light and just about sound-proof.

它由24层瓦楞纸板包裹，这样既轻便又隔音。

In 1974 pizza boxes were not made of corrugated cardboard, they were made of very thin cardboard.

在1974年，披萨盒不是由瓦楞纸板制成，它们是用非常薄纸板制成。

But when corrugated cardboard was first invented in 1856, it initially had a very different use.

然而，当瓦楞纸板于1856年首次发，最初用途却大相径庭。

What do you think the very first corrugated cardboard in the late 19th century was used for?

你认为19世纪末第一个瓦楞纸板是用来做什么？

In the United States, we recycle over 60% of all paper and around 90% of all cardboard.

在，们回收了超过60%所有纸张和大约90%所有瓦楞纸板。

These days, there's companies making shipping pallets out of corrugated cardboard.

如今，有些公司正在用瓦楞纸板制造运输托盘。

At the 2024 Paris Olympics, the beds the athletes slept on were actually made of corrugated cardboard.

2024年巴黎奥运会期间，运动员们所使用床铺实际上是由瓦楞纸板制成。

Anyway, corrugated cardboard wasn't actually used for making cardboard boxes to pack and ship things in until 1871.

无论如何，直到1871年，瓦楞纸板才真正被用于制作纸箱，用于包装和运输物品。

All that stuff goes to these facilities where it's sorted into different materials, you know, mixed paper, corrugated cardboard, clear bottles, that all gets separated.

所有这些东西都被送到这些设施，在那里它们被分类成不同材料，你知道，混合纸，瓦楞纸板，透瓶，所有这些都被分开。

That's when a guy in New York City named Albert Jones patented a single-sided corrugated cardboard.

就在那，纽约市一位名叫阿尔伯特·琼斯男子获得了一项单面瓦楞纸板专利。

Having them strengthened with corrugated cardboard made them stronger and last longer, and it also meant they could be even taller.

用瓦楞纸板加固它们， 使它们更坚固耐用，同也意味着它们可以做得更高。

Corrugated cardboard is extremely common nowadays.

如今，瓦楞纸板极为常见。

If you've ever seen an average cardboard box, you've seen corrugated cardboard.

如果你曾见过普通纸板箱，那你实已经见过瓦楞纸板了。

As thrilling and exciting and totally not boring corrugated cardboard was, it wasn't the only cardboard in town.

虽然瓦楞纸板既令人兴奋又充满魅力， 绝非乏味之物，但它并非城中唯一纸板。

And it's smooth, unlike corrugated cardboard.

它表面光滑，与瓦楞纸板不同。

But the cardboard he invented wasn't corrugated cardboard.

但他发并非瓦楞纸板。

But what's the big deal about corrugated cardboard?

但瓦楞纸板为何如此重要？

That cardboard and paper is sorted by workers who remove any remaining contaminants, or stray plastics, and separated the materials into bins for newspaper, mixed paper, and corrugated cardboard.

瓦楞纸板和纸张通过人工分类把中残留污染物和塑料碎片除去，然后把它们按材料分别投入装废旧报纸桶，装混合纸桶和装瓦楞纸桶。

Ah, but next time you find yourself with a cardboard box, take a closer look and you'll see what makes it corrugated.

啊， 但下次你手边有个纸板箱，仔细瞧瞧， 你就会白它为何被称为瓦楞纸板了。