I saw some specimens in museum collections that are over 100 years old.

我曾经在博物馆看见过一些保存了超过100年的标本。

That is an astonishing number for a communications tool that is only about 25 years old.

对于一个只有25年之久的通信工具来说，这是个惊人的数字。

By US standards, a genuine antique must be at least 100 years old.

按美国的标准，一件真正的古董必须至少100年的历史。

It says the objects are about 650 years old and are being evaluated for their provenance and worth.

据说这些物品大概有650年的历史了，人们正在就它们的出处和价值进行估价。

From temples that are thousands of years old to sunny beaches, Greece has it all.

从拥有数千年历史的神殿到阳光灿烂的沙滩，希腊一应俱全。

Over 250 years old, Kew Gardens spreads over 121 hectares, holding over one in eight of the known plant species in the world.

拥有250多年历史的邱园有121公顷左右大小，世界上八分之一的已知植物品种在这里都能找到。

You may not believe it but this construction is 500 years old.

你肯定不相信，但是这屋子真的有500年历史了。

They range from the very recent to objects hundreds of years old which tell us something about the changing effect of technology on our lives.

它们涵盖了从近代的到数百年之前的物品，都在讲述着有关科技改变影响着我们的生活的故事。

What is a business only 13 years old doing with a museum anyway?

一个仅有13年历史的公司建造一个博物馆干什么呢？

The plants that like hot weather live in glass houses which we call greenhouses. The biggest is the Palm House . It's nearly 150 years old.

喜爱温暖气候的植物生长在玻璃房中，我们把这些玻璃房称为温室，最大的是棕榈温室，它有将近150年的历史。

Heat them up and they'll sing songs back to you, some, hundreds of years old.

将它们加热，它们就会对你歌唱，有一些甚至是数百年前的老歌。

Lignin and pentosan content decrease from pith to bark. and level off after 10 to 12 years old.

木素、多缩戊糖含量在径向上表现出递减、稳定的模式，10—12年后趋于稳定。

My Chinese friend often claim they have 5000 years old, but my history class indicated that Chinese history had merely 3000 years old written history.

我的中国朋友经常声称他们有着5000年的历史，但是我的历史课告诉我中国历史只有3000年的记录历史。

But, the city has now passed regulations banning the demolition of any structure more than 50 years old without a permit, he said.

但是他说，如今这个城市通过了一项法规，任何有50年以上历史的建筑未经允许不得破坏。

We are all thirteen years old and had been doing this ever since summer started, about a month and a half ago.

我们都是十三岁的年纪，夏天开始之后我们就一直这样做，第一次大约是一个半月前了。

How could a nothing book, more than a hundred and fifty years old, be the key to anything?

一本一无是处的书，超过了一百五十年的历史，怎么可能是任何东西的钥匙？

Or StarCraft for Koreans. A game so popular that the tournament organisers could rely on sponsors who do not care if the game is one year or twelve years old.

又如韩国的星际争霸，这样的游戏是如此流行，以至于联赛组织者所依赖的赞助商，完全不担心这个游戏发行了一年还是十二年。

If you do find such a document, chances are it will be ten or more years old.

如果您的确发现了这样的文档，它很可能是十年或更久以前的文档。

Firstly, I am an adult of 18 years old, so I should learn to be independent, especially in my study.

首先，我已经是一名18岁的成年人了，所以我应该学会独立，特别是在学习上。

He married my aunt in 1971, so Clare would have been five years old.

他是1971年同我姑妈结婚的，因此，克莱尔想必已经五岁了。

His family moved to Vienna when he was four years old, and though he often claimed he hated the city, he lived there until it was occupied by Germany in 1938.

当他在四岁的时候，他的家庭搬到了维也纳，虽然他时常宣称，他厌恶这个城市，可是他却依旧住在那里，直到该地在1938年被德国占领为止。

The United Nations World Food Programme is 40 years old this year. It began as an experiment to provide food aid to nations affected by natural disasters.

联合国世界食品计划至今已40年了。它最初只是作为一项尝试，向那些受自然灾害影响的国家提供食品援助。

They have a son. His name is Peter, and he is five years old.

他们有一个儿子。他的名字叫彼得，是一个五岁的小男孩。

Additionally, I have participated in a big summer camp to lead a team of children between 5 years old and 12 years old with several colleagues.

此外，我还参加了一个大型的夏令营，带领一组5岁和12岁的孩子和几个同事一起参加一个孩子的团队。

They say a prodigy should be around 10 years old and have mastered an adult skill.

他们认为一个神童应该是10岁左右，而且已专精一种成人的技能。