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In medicine, describes a tumor or growth that is NOT cancer and won't spread or become dangerous — the opposite of "malignant." More generally, it describes someone or something gentle and not harmful, without any intention to cause harm — "a benign smile," "benign weather."
（醫學）良性的；（一般）溫和、無害的
組成From Latin "bene" (well, good), roughly "of a good nature."
同家族的字
- malignantmalignant is its medical opposite — a harmful, cancerous growth
原始詞典資料4 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
benignadj/bɪˈnaɪn/
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Kind; gentle; mild.
- But though we both entertained these ideas, we differed in their application. Resentment added also a sting to my censure; and I reprobated Raymond's conduct in severe terms. Adrian was more benign, more considerate.
- I people my world with benign spirits. Everything talks to me and I respond to it.
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biologyclimatologyecologyOf a climate or environment, mild and favorable.
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biologyecologynatural-sciencesNot harmful to the environment.
- an ozone-benign refrigerant
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medicineoncologysciencesNot posing any serious threat to health; not particularly aggressive or recurrent.
- a benign tumor
- Despite the gruesome way it looks, cottontail rabbit papillomavirus is often benign, and many rabbits end up fighting it off on their own.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。