左侧是编号NGC 7000的发射星云，或多或少由于它形似我们的地球上的北美洲大陆而著名。
On the left is an emission nebula cataloged as NGC 7000, famous partly because it resembles our fair planet's continent of North America.
虽然人知道关于许多上百的石棉年，它在北美洲大陆第一次被开采的它不是直到160年前那。
Although man has known about asbestos for many hundreds of years, it was not until 160 years ago that it was mined for the first time on the North American continent.
长期以来，北美洲大陆的能源基础设施主要都是为了满足美国这一全球最大的能源消费国需求而建的。
The continent's energy infrastructure has long been configured to feed the U. S. , the world's largest consumer.
体积相对轻的淡水流入海洋后，还会改变格林兰岛和北美洲北部之间的洋流循环模式，这种情况最终可能导致更多的海水淹没北美大陆。
The input of relatively light freshwater also alters circulation patterns that cycle water between Greenland and northern North America, which could lead to more water on the North American end.
1920年，这些环重新被用来代表包括五个大陆，南北美洲用其中一个环表示。
In 1920 the rings were revived to represent the five continents with North and South America being represented by one ring.
在第一位欧洲人来到北美洲之前，已经定居在这个大陆的人们穿雪鞋是很普遍的，至少在居住在雪量很大的地区的人们中是这样的。
By the time the first Europeans arived in North America snowshoes were in common use by many of the continent's inhabitants, at least by those who lived in areas of heavy winter snowfall.
最后的阶段则是当北美洲和欧亚大陆分离时，成为了我们现今我们所知的世界和这些分开的大陆。
The final major phase occurred when North America broke away from Eurasia, creating the world and the separate continents we know today.
在夏威夷、日本和美国大陆之间的洋面中，已经有一块北美洲大小的区域充满了塑料残骸。
Already there is a region the size of North American in the sea between Hawaii Japan and the mainland US filled with plastic debris.
西半球南部的一个大陆，位于北美洲的东南部，大西洋与太平洋之间。其范围从加勒比海一直延伸到合恩角。
A continent of the southern Western Hemisphere southeast of North America between the Atlantic and Pacific oceans. It extends from the Caribbean Sea southward to Cape Horn.
卫星图片：地球与月球。图中的大陆为北美洲和南美洲，右边是非洲的一部分。
Satellite PIC: the earth and the moon. the mainland in the diagram is North America and South America, the right side is African one part.
第一阶段是发生在北美洲和非洲，当水冲进了两个大陆分离的裂缝中，于是大西洋出现了。
The first one occurred between North America and Africa, and consequently created the Atlantic Ocean, as waters rushed in to fill the gap made by the continents drifting apart.
在北美洲北部繁殖的新大陆杓鹬。
任一种苹果属的落叶树木，原产于北美洲和亚欧大陆，开有白色、粉红色的或红色花簇。
Any of several deciduous trees of the genus Malus, native to North America and Eurasia and having clusters of white, pink, or reddish flowers.
一种柏木属的常绿树和灌木，原产于欧亚大陆和北美洲，而且长有成鳞片状的对生叶和木质的球果。
Any of various evergreen trees or shrubs of the genus Cupressus, native to Eurasia and North America and having opposite, scalelike leaves and globose, woody cones.
一座宽达1千5百公里的大陆桥连接着亚洲和北美洲。
A land bridge as much as 1,500 kilometers wide connected Asia and North America.
北极地区：在北极与北美洲和欧亚大陆北部林木线之间区域。
Arctic: a region between the north Pole and the northern timberlines of North America and Eurasia.
许多种栖息于欧亚大陆西部和南、北美洲，曾被引入澳大利亚、纽西兰。
Various species live in western Eurasia and North and South America and have been introduced into New Zealand and Australia.
许多种栖息于欧亚大陆西部和南、北美洲，曾被引入澳大利亚、纽西兰。
Various species live in western Eurasia and North and South America and have been introduced into New Zealand and Australia.
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