1. A mountain stream refers to a small ditch in the mountains. Pinyin: shān jiàn n

2. Source: Answer _ Angry Chongyang Er Yu Tang Wei Zhu: The mountain stream is barren and the bamboo shadow is clear. The small ditch in the mountain is barren and there is almost no water, but there is a clear water source under the shade of bamboo forest.

But the hot weather in summer has dried up all the mountains and streams.