你注意过每次下雨之后河水的颜色吗？你认为是什么导致了河水颜色的改变呢？
Have you ever noticed the colour of the water in a river or stream after a heavy rainfall?
河水颜色从黑色过渡到深蓝绿色，而且由于与周围冬天景观（一大片）的白色对比，显得更加突出。
The water ranges from black to a rich blue-green tone, its color intensified by the contrast between it and the winter white landscape around it.
“黄”这个字描述的是其河水浑浊的颜色。
我还记得幼发拉底河的河水，颜色漂亮极了。
绕着村子走走，发现河水的颜色真的是吓人的锈红色。
Walking around the village, the water in the streams is indeed an alarming rust-red.
那里有鱼和虾，但是现在，河水被污染，颜色已经变了，鱼和虾看不到了。
There are fishes and shrimps, but now, the water is polluted, the color has been changed, fish and shrimp are no more being seen.
所以看上去连河水的颜色都是白色的了。
某条河水的颜色可能是死灰色，另外一条河水的颜色可能是漆黑色。
The water may be greyer than grey in one river, and blacker than black in another.
流经红色粘土土壤区域的江河在洪水泛滥期间河水带上很深的颜色。
Rivers which drain areas of red clay soils become highly colored during times of flood.
所以河水的颜色就会像牛奶一样白。
所以河水的颜色就会像牛奶一样白。
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