小溪中清洁的冰融水会让光线穿透直抵河床的石头，光线在这儿有些被反射，有些被吸收。
Clean, glacial melt in a stream will transmit light down to the stony stream bed, where some will be reflected and the rest will be absorbed.
小溪中清洁的冰融水会让光线穿透直抵河床的石头，光线在这儿有些被反射，有些被吸收。
Clean, glacial melt in a stream will transmit light down to the stony stream bed, where some will be reflected and the rest will be absorbed.
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