名词
中文翻译：瀑布
同义词：
['fall', 'stream', 'waterfall例句：1. The cascade of water down the mountain is a sight to behold.（山下水流的瀑布景象令人叹为观止。）']
例句：
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1. The cascade of water down the mountain is a sight to behold.
山下水流的瀑布景象令人叹为观止。
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2.The cascade of leaves from the trees creates a beautiful natural tapestry.
树木上树叶的级联形成了一幅美丽的自然挂毯。
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3.The cascade of memories rushes back to her as she recalls her childhood.
随着她回忆起童年，记忆的瀑布涌回心头。