知识扩展
词组短语 cascade control串级控制；[计]级联控制；cascade development梯级开发；干显影

中文词源： cascade 小瀑布 来自词根cad, 掉落，词源同case, accident. 字母c来自形容词后缀-ic的缩略，见altercation. cascade
精选例句

常见考点例句：

Behind them waterfalls cascade down in the silvery light .

在他们身后，瀑布闪烁着银光飞泻而下。

However , many viruses can outsmart that system by blocking one of the steps further down the cascade .

但是，许多病毒可通过阻止级联反应的其中一步而取胜。

This massive cascade of snow followed a six-day storm .

为期6天的风暴过后开始了这场大规模的雪崩。

Bathe in turquoise pools , stand behind a toppling cascade or walk across a glaring-white icecap to experience the full weirdness of icelandic

在绿松石的池子里洗澡，站在倒塌下来的小瀑布后面，或步行跨越耀眼的白色冰盖去体验一下冰岛全部的不可思议的东西。

Networks of brain cells alternate between periods of calm and periods of instability - " avalanches " of electrical activity that cascade through the neurons .

大脑细胞网络在清醒周期和波动周期之间徘徊－生物电活动的“雪崩”会串联到所有神经元。