形容词
中文翻译：确定的
同义词：
['definite', 'positive', 'definite']
例句：
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1. Theoutcome of the election is certain to bedecided by the voters.
选举的结果肯定会由选民决定。
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2. He was certain that he wouldwin the competition.
他确信他会赢得这场比赛。
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3.The weather forecast is certain to change tomorrow.
天气预报明天肯定会变。