His speech began this way: “Four score and seven years ago, our fathers brought forth on this continent a new nation, conceived in liberty and dedicated to the proposition that all men are created equal.”

“八十，我们先辈在这个大陆上创立了一个新国家，它孕育于自由之中，奉行一切生来平等的原则。”

The continent of Africa boasts potential, enormous potential.

非洲大陆潜力巨大。

The railroad traverses the Continent from East to West.

铁路东西横贯北美大陆。

It permeated the boundaries of class, Cree, country and continent.

遍布了阶级、北美印第安克里族、国家和大陆的边界。

But, the force of geographic conditions peculiar to America, the interplay of the varied national groups upon one another, and the sheer difficulty of maintaining old-world ways in a raw, new continent caused significant changes.

但是，受美囯特有地理条件的影响、不同民族间的相互影响及在这片荒蛮的新大陆上维持旧秩序的万分艰难，给这片新大陆带来了巨大的变化。

By 12,000 years ago, we were on all the continents except Antarctica.

到一万两千，我们已经散布在除南极洲外的所有大陆上了。

Now, it looks like the continent's ice sheet is growing.

现在, 看起来这片大陆的冰盖正呈现增加趋势。

Malaria has been diagnosed on every continent, but sub-Saharan Africa is the region most afflicted.

每个大陆都诊断有疟疾案例，但亚撒哈拉非洲地区情况最严重。

They were all very highly regarded in the music world and they'd done quite extensive tours in different continents, and quite a few had won prizes and competitions as well.

她们在音乐界声望都很高，而且在不同大洲还做过大量的巡回演出，她们中不少还赢过一些奖项和比赛。

At the South Pole, the continent of Antarctica, holds 70% of the world's fresh water.

在南极那儿拥有世界70%的淡水。

These are pollutants or particles derived from human activity, or dust from other continents.

这些污染物或颗粒来自类活动或其他大陆上的灰尘。

The moment when Columbus finds the continent!

哥伦布发现新大陆的那一刻！

And that was particularly so in Africa, where the SKA is seen as a good-news story for a continent still struggling to overcome its image as a violent and chronically unstable place.

这一点对于南非来说尤其如此，SKA项目对于这个长期充满暴力和不稳定的大陆来说，无疑是一篇正面新闻报道。

Next up, we're heading to the Asian continent where the South Korean boy band BTS is in the news this week, but not because the popular K-pop band has a new song out.

接下来，我们将往亚洲大陆，韩国男子组合防弹少团本周频登新闻，但并不是因为这个气颇高的韩国流行乐队又出了一首新歌。

They found that the seven rules were considered morally good in all societies and were observed across all continents, religions, and politics.

他们发现， 这条规则在所有社会中都被视为道德优良，并在各大洲、各宗教和各政治体制中得到遵守。

The image of the black hole event horizon presented last month required two years of computer analysis, data from 8 observatories on three continents, and a team of 200 scientists, which included 2011 U-M Electrical Engineering graduate Katie Bouman.

上个月公布的黑洞图像需要两的时间，对来自三大洲的8个观测站和一个由200名学家组成的团队进行计算机数据分析，这其中也包括了2011密歇根大学电气工程专业的毕业生KatieBouman。

But U.S. business executives say the United States is in danger of being overtaken by China and Europe, which are already investing and signing trade agreements across the continent.

但美国企业高管表示，美国面临被中国和欧洲超越的危险，这些国家已经在全球各地进行投资并签署贸易协定。

To shape the continents and the oceans.

塑造了大陆和海洋。

British and American officers worked closely together to plan the freedom of a continent, and it would be no exaggeration to say that millions of lives depended on their common endeavour.

英国官员与美国官员展开密切合作，共同出谋划策，力求让欧洲大陆重获自由，可毫不夸张地说，数百万的生活全部仰赖于他们的共同努力。

A two-ton wombat, a thousand-pound kangaroo, and a 500-pound bird now known as Genyornis newtoni were spread across the continent.

2吨重的袋熊、1000磅的袋鼠及500磅重现在名为牛顿的这种巨鸟，在当时的大陆上随处可见。