International river basins extend across the borders of 145 countries, and some rivers flow through several countries.

国际性河流的流域涉及145个国家的边界，其中一些河流流经数个国家。

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What is more, happiness can also extend across an entire nation, with people in "happy" nations being more likely to help others.

更有甚者，幸福能够扩展到整个的国家或民族，因为幸福的国家的人更愿意去帮助他人。

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Hilly territory, holding six of six valley ridge to the county lock Zhen umbrella for the Center to extend across the whole county.

境内山峦起伏，六大山梁夹着六条山沟，以县城锁南镇为中心向全县伞状延伸遍布。

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The way that they communicate with each other is by physically touching each other, and the way that they connect across distances is by having these process that extend from one place to another.

它们通过物理接触,来交换信息,神经之所以能跨距离传递信息,就是靠细胞间互相延伸的突起

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CO2 lingers in the atmosphere for a century or more, any plan must also extend across several generations.

ECONOMIST: Blowing hot and cold

Its co-passenger will be Intelsat 17, a telecommunications satellite covering a region that will extend across Asia and into Europe and Africa.

BBC: Ariane rocket completes flawless satellite launch

Instead of hunting for them with expensive exploratory wells, drillers know exactly where the gas and oil are now, trapped in huge sandstone formations that extend across entire states.

FORBES: The Best Thing About Shale Gas: We Know Where It Is