形容词
中文翻译：预兆的
同义词：
['prognostic', 'portentous', 'ominous']
例句：
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1.The storm was a prenidatory sign of impending danger.
暴风雨是即将到来的危险的前兆。
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2. The old house had a prenidatory feeling about it.
这所老房子给人一种不祥的感觉。
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3. The ominous clouds above her seemed to be a prenidatory warning of impending doom.
她头顶上方那些不祥的云朵似乎预示着即将到来的厄运。