The residence times for the Great Lakes of North America, namely, Lakes Superior, Michigan, Huron, Erie, and Ontario, are, respectively, 190, 100, 22, 2.5, and 6 years.

北美五大湖，也就是苏必利尔湖、密歇根湖、休伦湖、伊利湖和安大略湖，它们的停留时间分别是190年、100年、22年、2.5年和6年。

Scientists studied the Great Lakes in America and the Arctic Ocean in northern Canada.

科学家们研究了美国的五大湖和加拿大北部的北冰洋。

Where are the Great Lakes?

五大湖在哪里？

It's a phenomenon that occurs anywhere you have a large lake that doesn't freeze and have cold air flowing over it, mostly in the Northern Hemisphere Like the great lakes in the United States.

这种现象发生在不结冰的大湖泊附近，这些湖通常被冷空气包围着，并且它们大多数坐落在北半球，就像美国的五大湖一样。

All eight Great Lakes states must approve the plan.

大湖区的八个州地必须都支持这项计划。

The scenery is just wonderful. Somewhere – great lakes.

这里的风景美极了，大湖区的某处。

Now the Great Lakes states are reconsidering their main asset.

如今，大湖区正在重新审视其重要财富。

The great lakes along the Yangtze are also victims of the drought.

长江流域五大湖也遭受旱灾的影响。

Chicago sits next to Lake Michigan, one of North America's Great Lakes.

芝加哥坐落在北美五大湖之一密歇根湖畔。

It's not yet certain that Asian carp have made it into the Great Lakes.

目前尚不确定亚洲鲤鱼已经向五大湖进军。

Bina: Oh, that's Lake Superior. It's the largest of the five Great Lakes.

比娜：哦，那是苏必利尔湖，五大湖中最大的一个。

Great Lakes states continue to have their own unique water problems, however.

然而，五大湖流域的州地在水上的特殊问题仍继续存在。

I encourage all the countries of the Great Lakes region to fully implement it.

我鼓励大湖区所有国家全面遵守这一议定书。

The past year has seen a torrent of measures to keep the Great Lakes free of them.

去年采取的一系列的举措使得五大湖区这些鱼类的踪影消失了

Hanna furnaces of the Great Lakes Steel Corporation, stock pile of coal and iron ore.

巨河钢铁公司，汉娜炼钢处，堆积的煤和铁矿石。

An important protection came in 2008, when George Bush signed the Great Lakes Compact.

2008年，乔治·布什签署《大湖契约》，形成一项重要的保护措施。

And ships can reach the Atlantic Ocean from the Great Lakes through the Saint Lawrence Seaway.

而船只则能够从五大湖经过圣劳伦斯航道到达大西洋。

After 50 years of service on the Great Lakes, the Benson Ford was scheduled in 1986 to be scrapped.

在经历了在大湖区50年的服役后，Benson Ford号原计划在1986年报废。

East to the Atlantic Ocean, extensive trade networks extended from the Great lakes to the Gulf of Mexico.

往东靠近大西洋，广袤的贸易网覆盖了从五大湖到墨西哥海湾。

This small country in the Great Lakes region of Africa is rapidly earning a reputation as a green pioneer.

位于非洲大湖区的这个小国正作为绿色先锋而声誉鹊起。

The billion Indians north of the Great Lakes would make Canada a very distinct, very powerful global player.

10亿多印度人会让加拿大成为世界范围内一股强大的力量。

Late August 2010 provided a rare satellite view of a cloudless summer day over the entire Great Lakes region.

2010年8月底的晴朗天气，使我们通过卫星目睹了难得一见的景象：整个五大湖区几乎没有一丝云彩。

From Detroit's grey streets to the lovely bays along the Great Lakes, it teems with plans for future prosperity.

从底特律灰色的街道到大湖区美丽的湖湾，都充斥着实现未来繁荣的规划。

The Great Lakes contain one fifth of all of the fresh water in the world, so we have a lot of moisture in the air here.

五大湖涵盖了全世界五分之一的淡水，所以这里的空气有充足的水汽。

The Great Lakes Restoration Initiative is setting a new standard of care for the source of 95 percent of America's surface freshwater.

五大湖恢复倡议项目正在建立一项新的标准，关注美国地表淡水95%的水源。

"The states of the Great Lakes challenged derogatory racial beliefs about African intellect and ability," says archaeologist Andrew Reid.

“大湖区周围的国家向有关非洲人智力与能力很不敬的种族观念发起了挑战，”考古学家安德鲁·里德说。

Environmentalists and Great Lakes governors outside of Illinois who want to close the Chicago locks claim it's the best short-term option.

环保主义者和伊利诺伊州以外大湖区的州长们想要关闭芝加哥船闸，他们声称这是眼前最好的选择。