contrary to the ordinary course of nature; abnormal
不符合自然规律的;不正常的
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death by unnatural causes .非自然死亡。
not existing in nature; artificial
非自然的;人工的
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the artificial turf looks an unnatural green .人工草坪绿得极不自然。
affected or stilted:
不自然的;做作的
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the formal tone of the programmes caused them to sound stilted and unnatural .节目的正式语气让人听来觉得夸张做作。
lacking feelings of kindness and sympathy that are considered to be natural
无人性的;残酷的
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they condemned her as an unnatural woman .他们谴责她是个残暴的女人。