The earth’s energy comes from the sun. An hour’s worth of sunlight holds enough power to meet a year’s worth of human energy needs.

地球的能量最终来自太阳，太阳只要区区一小时的照射，所提供的能量就相当于全人类一年的能源需求量。

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Under scorching sun, an old man sat by the bank staring at the buoy on the river. From dawn to dusk he still got nothing in his hands. However, the old man was happy at ease.

烈日下，一老翁坐在岸边，两眼一动不动的盯着河面的浮标，从日出到日落，依然两手空空，老翁却怡然自得，乐在其中。

youdao

Under scorching sun, an old man sat by the bank staring at the buoy on the river. From dawn to dusk he still got nothing in his hands. However, the old man was happy at ease.

烈日下，一老翁坐在岸边，两眼一动不动的盯着河面的浮标，从日出到日落，依然两手空空，老翁却怡然自得，乐在其中。

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