动词
中文翻译：推测
同义词：
['assume', 'guess', 'infer', 'deduce']
例句：
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1.They speculated about the future of the company.
他们推测公司的未来。
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2. The scientist speculated that the earth was flat.
科学家推测地球是平的。
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3. He speculated that the stock would rise tomorrow.
他推测股票明天会上涨。