动词短语
中文翻译：急速下降
同义词：
['fall down', 'plummet', "plunge例句：1. The team's performance rocketed down after the first quarter.（球队在第一节后表现急剧下滑。）"]
例句：
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1. The team's performance rocketed down after the first quarter.
球队在第一节后表现急剧下滑。
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2.After the earthquake, many people were rocketing down from their homes.
地震后，许多人从家中急速坠落。
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3. The stock price rocketed down after the announcement of a new product.
新产品发布后，股价急剧下跌。