名词
中文翻译：临界水平
同义词：
['threshold', 'critical point例句：1. The researchers found that the temperature had reached a critical level.（研究人员发现温度已经达到了临界水平。）']
例句：
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1. The researchers found that the temperature had reached a critical level.
研究人员发现温度已经达到了临界水平。
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2. The company's stock price has reached a critical level.
公司的股价已经达到了一个关键的水平。
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3.The scientist warned that the pollution levels were at a critical level.
科学家警告说污染水平已经到了一个关键的水平。