八千万年前，地球是恐龙的天下。
与40年前相比，卫生保健的水平得到了极大提高。
Standards in health care have improved enormously compared to 40 years ago.
2000万年前，爱达荷州不像现在这样干旱。确切地说，它那时温暖潮湿，生长着茂密的原始森林。
Twenty million years ago, Idaho was not the arid place it is now. Rather, it was warm and damp, populated by dense primordial forest.
政府在许多年前组织了希望工程。
我的祖父母六年前搬到了乡下。
许多年前，有一位名叫迈达斯的希腊国王。
大约30年前，中国被称为“自行车王国”。
About three decades ago, China was known as the "bicycle kingdom".
据说中国在5000年前就开始使用筷子了。
It's said that the first chopsticks were used in China 5,000 years ago.
2200多年前，屈原出生于湖北省秭归县。
Qu Yuan was born in Zigui of Hubei Province over 2,200 years ago.
我父亲多年前给我买的英汉词典仍然很有用。
The English-Chinese dictionary my father bought for me many years ago is still of great help.
五十多年前，联合国宣布识字是一项基本人权。
More than fifty years ago, the United Nations declared that literacy is a basic human right.
公众演讲的艺术起源于2000多年前的古希腊。
The art of public speaking began in ancient Greece over 2,000 years ago.
六年前我们全家搬到美国时，我们谁也不会说英语。
When our family moved to the United States six years ago, none of us spoke any English.
人们已经在1500多年前的墓穴中发现了动物剪纸。
Paper-cuts of animals have been found in tombs which date back over 1,500 years.
大约100年前，给孩子们零花钱的做法在美国开始流行。
The practice of paying children an allowance became popular in America about 100 years ago.
在中国，使用筷子的历史可以追溯到3000多年前的商朝。
The history of using chopsticks in China dates back to the Shang Dynasty, more than 3,000 years ago.
在克里斯托弗·哥伦布横渡大西洋的八十年前，郑和已经航行到了东非。
It was 80 years before Christopher Columbus crossed the Atlantic that Zheng He had sailed to East Africa.
大约5000年前，埃及人和其他近东地区的人开始将图画作为一种书写方式。
About 5,000 years ago the Egyptians and other people in the Near East began to use pictures as a kind of writing.
虽然屈原在几千年前就去世了，但人们每年都纪念他，因为他忠于国家，忠于人民。
Though Qu Yuan died thousands of years ago, he is remembered every year for his loyalty to his country and his people.
创客运动正在重新发掘“从做中学”的意义，这一概念最早由杜威在100年前提出。
The Maker Movement is rediscovering learning by doing, which is Dewey's phrase from 100 years ago.
我们把法国南部和其他地方的洞穴壁画赞誉为杰作，它们的历史可以追溯到大概2万年前。
We hail as masterpieces the cave paintings in southern France and elsewhere, dating back some 20,000 years.
几年前，在百慕大的一次浮潜旅行中，我们遇到了一只名叫莱西的小猎犬，它喜欢捡石头。
On a snorkeling trip in Bermuda a few years ago, we met a terrier named Lexi, who liked to fetch rocks.
几年前，在百慕大的一次浮潜旅行中，我们遇到了一只名叫莱西的小猎犬，它喜欢捡石头。
On a snorkeling trip in Bermuda a few years ago, we met a terrier named Lexi, who liked to fetch rocks.
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