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

最后，披萨店就采用瓦楞来做披萨盒，既可以保温，又不会让太多在盒子里。

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的材料，你知道，混合，瓦楞，透明瓶，所有这些都被分开。

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.

瓦楞和张通过人工分类把其中的残污染物和塑料碎片除去，然后把它们按材料分投入装废旧报的桶，装混合的桶和装瓦楞的桶。

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

在1974年，披萨盒不是由瓦楞制成的，它们是用非常薄的制成的。

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

它由24层瓦楞包裹，这样既轻便又隔音。

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

如果你曾见过普通的箱，那你其实已经见过瓦楞。

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

在美国，我们回收超过60%的所有张和大约90%的所有瓦楞。

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，运动员们所使用的床铺实际上是由瓦楞制成的。

Corrugated cardboard was invented in England by two Edwards, Edward G. Healy and Edward E. Allen, and top hats were all the rage in London at the time.

瓦楞是由英国的两位爱德华——爱德华·G·希利和爱德华·E·艾伦发明的，当时伦敦正流行高顶礼帽。

But the cardboard he invented wasn't corrugated cardboard.

但他发明的并非瓦楞。

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

虽然瓦楞既令人兴奋又充满魅力， 绝非乏味之物，但它并非城中唯一的。

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

就在那时，纽约市的一位名叫阿尔伯特·琼斯的男子获得一项单面瓦楞的专利。

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

如今，有些公司正在用瓦楞制造运输托盘。

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

啊， 但下次你手边有个箱时，仔细瞧瞧， 你就会明白它为何被称为瓦楞。

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

然而，当瓦楞于1856年首次发明时，其最初用途却大相径庭。

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

用瓦楞加固它们， 使它们更坚固耐用，同时也意味着它们可以做得更高。

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

你认为19世纪末的第一个瓦楞是用来做什么的？

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，瓦楞才真正被用于制作箱，用于包装和运输物品。

But what's the big deal about corrugated cardboard?

但瓦楞为何如此重要？

Well, the reason corrugated cardboard is such a big deal is because those ridges and grooves you see actually strengthen the cardboard quite a lot and make it way stiffer.

嗯，瓦楞之所以如此重要，是因为你所看到的那些波纹和凹槽实际上大大增强的强度，使其变得更加坚硬。