词典释义：
a small waterfall, typically one of several that fall in stages down a steep rocky slope
（尤指顺陡峭岩石坡逐级而下的）小瀑布。
a mass of something that falls or hangs in copious or luxuriant quantities
（数量大的）瀑布状下垂物
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a cascade of pink bougainvillea .一大串粉红叶子花。
a large number or amount of something occurring or arriving in rapid succession
大量涌现的东西；接踵而至的东西
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a cascade of anti-war literature .<Bold> 大量涌现的反战文学作品。</Bold>
a process whereby something, typically information or knowledge, is successively passed
（尤指信息或知识等的）连续传递过程
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[as modifier]
the greater the number of people who are well briefed, the wider the cascade effect .被告知的人数越多，连续传递的范围越广。
a succession of devices or stages in a process, each of which triggers or initiates the next
（一个过程中前一个引发后一个的）连续阶段，一系列装置。
[no obj., with adverbial of direction](of water)pour downwards rapidly and in large quantities
（水）倾泻，流注
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water was cascading down the stairs .水顺着楼梯倾泻而下。
fall or hang in copious or luxuriant quantities
大量落下，垂下
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blonde hair cascaded down her back .金发如瀑布般披在她背上。
[with obj.]pass (something) on to a succession of others
连续传递；传授
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teachers who are able to cascade their experience effectively .<Bold> 能有效传授经验的老师。</Bold>
[with obj.]arrange (a number of devices or objects) in a series of sequence
使（装置，物品）串联。
"mid 17th cent.: from French, from Italian
