基本释义
adj. 有害的；恶性的；致命的；险恶的
星级词汇
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英文词源
pernicious 有害的
per-,完全的，-nic,伤害，杀害，词源同noxious,necrosis.引申词义有害的。
深度学习
pernicious (per NISH us) Something deadly, dangerous, or destructive might be termed “pernicious.” You may have heard it in the name of the disease “pernicious anemia,” a particularly threatening form of the illness. “Deleterious” might be a good synonym.
- “This form of the bacteria is particularly pernicious,” explained Dr. Epstein. “Just when we think we’ve developed a medicine to counteract it, it mutates into a newer, more deadly form.”
- Supersize Me is a documentary vividly showing the deleterious effects of a diet made up primarily of meals from “fast-food joints.”
——摘自《Fiske WordPower: The Most Effective System for Building a Vocabulary That Gets Results Fast》
机器翻译，仅供参考
恶性的（根据NISH我们的说法）致命的、危险的或破坏性的东西可能被称为“恶性的”。你可能听说过这种疾病的名字“恶性贫血”，这是一种特别具有威胁性的疾病。“Deleterious”可能是一个很好的同义词。
- 爱泼斯坦博士解释说：“这种形式的细菌特别有害。”。“就在我们认为我们已经开发出一种药物来对抗它的时候，它会变异成一种新的、更致命的形式。”
- 《超级我》是一部纪录片，生动地展示了主要由“快餐店”的食物组成的饮食的有害影响
