形容词
中文翻译：不确定的
同义词：
['doubtful', 'indecisive', 'undecided']
例句：
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1.The outcome of the election is still uncertain.
选举的结果仍然不确定。
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2. He was uncertain about the weather forecast.
他对天气预报感到不确定。
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3. The decision to resign was made with considerable uncertainty.
辞职的决定是相当不确定的。