One chilly night when I was hiking in the Rocky Mountains with some students, I mentioned that we were going to cross a mountain stream.

一个寒冷的夜晚，当我和几个学生在落基山脉徒步旅行时，我提到我们将要渡过一条山间小溪。

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Water from a rain puddle or a mountain stream would quench his thirst and cool his hot dry throat.

雨水坑或山涧里的水可以解渴，清凉他干热的喉咙。

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A mountain stream pours into the rivers.

山涧向河里倾注。

《新英汉大辞典》

The water in the stream flows down from Blue Mountain Lake, a sacred place for the Taos Indians.

VOA: special.2010.07.05

Even in the afternoon sun though, a short walk can easily lead you into perennial mist forest and over the trickle of a mountain stream.

BBC: Colombia��s valley of the palms

He splashed over to the foot of the stairs and looked up at a ladder of water coming down, a scrim of ice on the edges like a mountain stream.

NEWYORKER: Idols

Throw in an unexpected dunking in a cold mountain stream and a competitor can lapse into uncontrollable shivering and incoherence.

FORBES: Hypothermia for Fun and Profit