形容词
中文翻译：不确定的
同义词：
['doubtful', 'uncertain', 'indeterminate例句：1. The outcome of the election is still uncertain.（选举的结果仍然不确定。）']
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 whether he would be able to attend the meeting.
他不确定自己是否能参加会议。
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3. The weather forecast is uncertain, so we should bring an umbrella.
天气预报不确定，所以我们应该带把伞。