所以请尽量把学习的一切正常的，甚至更大的背景下，我们可以看到的生命是一个持续不断的河流，一切只是没有停止前进！
So try to learn to put everything in a normal or even larger background, we can see life is a continuous river, and everything just moves forward without stop!
当支沟泥石流输入主河的泥沙量小于主河的输沙量时，主河河床将下切，并逐渐恢复山区性河流的特征。
The main channel bed will scour if sediment amount from tributary debris is less than that the main stream can carry and the river evolution exhibits the characteristic of mountainous rivers.
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