| 单词 | preventive |
| 释义 | preventive —preventively, adv. —preventiveness, n. /pri ven"tiv/, adj. 1. Med. of or noting a drug, vaccine, etc., for preventing disease; prophylactic. 2. serving to prevent or hinder: preventive measures. n. 3. Med. a drug or other substance for preventing disease. 4. a preventive agent or measure. Also, preventative /pri ven"teuh tiv/ (for defs. 2, 4). [1630-40; PREVENT + -IVE] |
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