At dawn, he found himself lying at the bottom of a valley.
天亮时，他发现自己躺在一个山谷底处。
Few trees were around. And the bottom of the valley was soft and wet.
这山谷的两侧都很高，到处是大岩石，周围没有多少树，而且谷底又软又湿。
Heavy rains had softened the bottom of the valley.
大雨已经泡软了谷底的土壤。
The valley was deep and there was a stream at the bottom.
这山谷很深，底下有一条小溪。
The valley was deep and there was a stream at the bottom.
这山谷很深，底下有一条小溪。
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