It is the most effective solar energy conversion process on Earth and all power needs for a year could be met by the energy contained in the sunlight hitting the Earth in one hour.

这是地球上最有效的太阳能转化过程，如果将太阳光照射地球表面一个小时产生的所有能量聚积起来，就足以满足人类整整一年的能源需求。

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The Chateau was one of a number of downtown Edmonton businesses participating in Earth Hour this year.

城堡是今年埃德蒙顿参与“地球一小时”的企业之一。

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The local we can fly from earth to the moon only need one hour so to speak with you only need more than 1 miao from China to the United States how my bad.

当地的我们可以从地球飞到月球只需要一个小时也就是说只需要超过1苗从中国到美国怎么样我的坏。

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The lights will stay off for one hour for an event called Earth Hour.

VOA: special.2010.03.22

"Countries could just accommodate the divergence by not putting their clocks forward in the spring, so you'd change your time zone by one hour to bring civil time back into line with the Earth's rotation, " added Dr Whibberley.

BBC: Changes to the world's time scale debated

For hour upon hour I tramped in splendid isolation - and this in one of the most densely populated regions on Earth.

BBC: A Point of View: In praise of wind turbines