副词短语
中文翻译：在极点
同义词：
['extremely', 'to the utmost extent']
例句：
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1.The temperature dropped to an extremely low level.
温度降到了极低的水平。
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2. She was extremely excited about the upcoming vacation.
她对于即将到来的假期感到极其兴奋。
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3. We must act extremely cautiously when crossing the river.
当我们过河时，我们必须非常小心。