词典释义：
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The weather prognosticator saw his shadow this morning, forecasting six more weeks of winter.
这位天气预报专家今天早上看到了自己的影子，这预计了冬天还将持续六周。
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But one thing can be said unequivocally: He's a lousy prognosticator of economic growth rates.
不过有一点却是明确无疑的：他是个蹩脚的经济增速预测者。
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This much-quoted 16th century physician and prognosticator with his cryptic quatrains has been the most respected seer in history.
这个备受引述他的神秘绝句16世纪的医生和预言家一直是历史上最受尊敬的预言家。
词根 prognostic
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prognostic adj. 预后的；预兆的 n. 预兆；预言；预后症状
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prognostication n. 预测；预言；预兆
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prognosticate vt. 预言，预测