当我漫步于一道小溪发源处的草地之上，那太阳，终于在一个凄苦的寒天之后、暮夕之前，突于天际骤放澄明。

I was walking in a meadow, the source of a small brook, when the sun, just before setting, after a cold gray day, reached a clear stratum in the horizon.

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雅鲁藏布江发源于喜马拉山脉，从世界屋脊顺势而下，进入下游的印度和孟加拉国的冲击平原，在她的大拐弯处修建水电站是世界水利工程师们长久以来一直梦寐以求的事情。

Tapping the power of the river as it bends and plunges from the Himalayan roof of the world down towards the Indian and Bangladeshi flood plains has long been a dream of the world's hydro-engineers.

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这条河发源于一处泉水。

The river rises from a spring.

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