副词
中文翻译：无定地
同义词：
['uncertainly', 'uncertainly']
例句：
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1. The weather forecast is very uncertain.
天气预报非常不确定。
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2. We need to take action when the situation becomes uncertain.
当情况变得不确定时，我们需要采取行动。
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3. The outcome of the meeting will depend on how uncertain the facts are.
会议的结果将取决于事实的不确定性。