Why did it wear out?

为什么它会磨损？

The level of emissions they cause will depend on how the electricity to run them is generated, while brakes, tyres and roads all create tiny airborne particles as they wear out.

它们产生的排放量将取决于驱动它们的电力是如何产生的，而刹车、轮胎和道路在磨损时都会产生微小的空气颗粒。

You should get years of wear out of that carpet.

那条地毯你可使用很多年。

You'll get more wear out of a hat if you choose one in a neutral colour.

如果选择中性颜色的帽子，戴的时间会更久一些。

One day while on a walk, he realized that his shoes were starting to wear out.

一天，在散步时，他发现他的鞋子开始磨损了。

You are going to wear out the computer's keyboard.

你会把电脑键盘弄坏的。

Mother always complains that children wear out their shoes very quickly.

妈妈总是抱怨孩子们很快就把鞋子穿坏了。

He walks as lightly as possible, almost on tiptoe, in order not to wear out his heels in too short a time.

他尽量轻轻地走路，几乎是用脚尖颠著走，就是为了不要太快磨烂鞋底。

Cheap shoes soon wear out.

便宜鞋子不耐穿。

Of course ebooks don't wear out.

电子书当然不会磨损。

For example, they don't wear out.

比如，他们不会磨损。

Most shoes wear out after 300 to 500 miles.

大多数的鞋子在跑了300到500英里之后，开始磨损。

Therefore, no more brushes have to wear out.

因此，没有更多的刷子有磨损。

The human body is a biological machine, and like all machines can wear out.

人体是一个生物机器，所有机器都是会被用坏的。

Shoes will wear out quickly, but you can use this watch for a long long time.

鞋子很快会磨坏，但是你可以使用这款手表很长实际那。

Disposing of the mercury once these bulbs wear out causes some environmental concern.

不考虑当这些灯泡坏掉后汞引发的一些环境问题。

Most Musical Instruments wear out or are consigned to niche markets by design changes.

很多乐器用尽用坏后被抛弃到小众市场做设计上的更改。

Small animals have faster metabolisms, so it was thought they would wear out more quickly.

小动物新陈代谢的速度更快，所以衰老的更快。

The machine has few parts, which could wear out, meaning the aircraft needs little maintenance.

该机器配件很少，可以拆卸，这意味着它需要很少的养护。

Scientist liken voluntary or directed attention to a mental muscle that can wear out over time.

科学家把有意识注意力必做一块脑部肌肉，随着时间的流逝，它会一点点失去力气。

everything that people wear out here in the northwest is, i think, going to be in big demand in ny.

我认为，在东北部任何被人们用旧了的东西在纽约将会受到巨大的青睐。

Trains and tracks wear out more quickly at faster speeds, and high-speed tracks need to be straighter.

高速列车和轨道更易受损，对铁轨的笔直性要求也更高。

"If you've had lots of fillings or crowns, get them checked, because they do wear out," Dr. Cram says.

“如果你有大量的填补，去检查一下，因为他们可能已经损坏。”Dr . Cram说。

If you use too many links, big navigation bars, a number of tabs and sub tabs, you will needlessly wear out the visitor.

如果你使用了太多链接、大的导航栏，许多的标签和子标签，你会不必要地累坏你的访客。

It wastes gas, will wear out the vehicle sooner, and ends up costing you big bucks in speeding tickets and insurance premiums.

这样做即浪费汽油，又加快汽车磨损，并且最终你会付出更多的超速罚单和保险费用。

During the forty years that I led you through the desert, your clothes did not wear out, nor did the sandals on your feet.

我领你们在旷野四十年，你们身上的衣服并没有穿破，脚上的鞋也没有穿坏。

It only takes 6 months in the ground before 01M is 80% composted, so if they ever wear out you can guiltlessly leave them behind.

在土壤中只需6个月就可以降解80%。 如果穿坏了，你可以随意地丢弃，而无需感到内疚。