Change can be modeled by two different metaphors: calm-waters and white-water rapids.

变革可以由二个不同隐喻塑造：平静-水域和白色-水急流。

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The height of the fall is so great that the stream of water atomizes into a cloud of mist, then trickles back together at the bottom of the plunge and continues on through a cascading run of rapids.

瀑布是下降的高度非常之大，以致使部分流水喷成雾状成为模糊不清的云朵，然后汇成细流与大瀑布一起跌到山下的底部，并继续穿越几个像小瀑布那样的飞奔急流。

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There has Mountain, water, hole, forest, lakes, waterfalls, dangerous shoals, rapids at an organic whole, and you can enjoy the typical karst scenery's beauty.

集山、水、洞、林、湖、瀑、险滩、急流于一体，可以领略到典型的喀斯特秀美风景。

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Maya Lin's "Ecliptic" outdoor area in Grand Rapids,Michigan features water in its three states: liquid,gas and solid.

VOA: special.2009.05.06

We also climbed the rocks beside a roaring run of white-water rapids on rivers that have never been navigated.

CNN: ASIANOW - TIME Asia | 'There Was Method to My Madness'

The two are working on an economic-impact study of the restoration initiative that would create white-water rapids downstream of the city's largest spillway dam.

WSJ: Real Rapids in Grand Rapids?

Streams running off the southeastern slopes of the Andes soon turn into boisterous rivers with plenty of class III and IV white water rapids.

BBC: Venezuela��s Andean playground