rapids

音标发音

Police recovered their inflatable boat east of the rapids the next day.
第二天，警察在急流东侧发现他们仍未漏气的皮划艇。
Actually, in my analogy, the rapids are the periods of marketplace transformation.
事实上，按照我的类比，“急流”就是市场转变时期。
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。

Maya Lin's "Ecliptic" outdoor area in Grand Rapids,Michigan features water in its three states: liquid,gas and solid.
All of the boats had to pass through an area called the White Horse Rapids.
It provided a calm, safe route west next to the river, which is nearly dry upstream part of the year but whose rapids rage in springtime.

But first, in Cedar Rapids, Iowa today, John McCain and Sarah Palin did not mince words.
NPR: With Economy As Focus, Candidates Hit Trail

a dangerous part of a river that flows very fast because it is steep and sometimes narrow

Rapids are a section of a river where the water moves very fast, often over rocks.

湍流
Some air-to-ground missile armament system uses the guidance mode for the laser semiactive guidance,the laser light beam transmission receives each kind of noise and the atmospheric rapids influence.
某型空地导弹武器系统采用的制导方式为激光半主动制导,激光光束的传输受到各种噪声和大气湍流的影响。
地球科学
急滩
急流
险滩