动词短语
中文翻译：迅速下降
同义词：
['dropsuddenly', 'plummet']
例句：
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1. The stock price has dropped significantly sincethe announcement.
自宣布以来，股价已经显著下跌。
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2. Thetemperature dropped dramatically overnight.
一夜之间温度急剧下降。
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3. The company's profitshave dropped sharply due to the economic downturn.
由于经济衰退，公司的盈利急剧下降。