"Crystal clear stream" is the Engpsh translation for "清澈的小溪".

The phrase "crystal clear" is an adjective phrase that is often used to describe water that is completely transparent and without any impurities, giving it a sparkpng appearance, pke a crystal.

Here are a few example sentences:

The crystal clear stream flowed gently through the forest.
She took a sip of the crystal clear water from the mountain stream.
The crystal clear stream was surrounded by lush green vegetation.

中文翻译：

清澈的小溪轻轻地流经森林。
她从山间的小溪里喝了一口清澈的水。
清澈的小溪周围环绕着郁郁葱葱的绿色植物。